OSMONICS INC
10-K, 1997-03-28
GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC
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                   SECURITIES AND EXCHANGE COMMISSION
                         Washington, D.C.  20549
                   __________________________________

                                FORM 10-K

(Mark One)
X   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES     
     EXCHANGE ACT OF 1934  
For the Fiscal Year Ended December 31, 1996

                                   OR

    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 
     EXCHANGE ACT OF 1934  
For the transition period from _________ to ________


Commission File No. 1-12714

                               OSMONICS, INC.                           
         (Exact name of registrant as specified in its charter)


              Minnesota                               41-0955759        
    (State or other jurisdiction                    (I.R.S. Employer
  of incorporation or organization)               Identification No.)


    5951 Clearwater Drive, Minnetonka, Minnesota              55343      
      (Address of principal executive offices)               (Zip Code)

                             (612) 933-2277         
                     (Registrant's telephone number)

      Securities registered pursuant to Section 12(b) of the Act:

 Common Shares, par value $0.01 per share     New York Stock Exchange    
      (Title of each class)                    (Name of each exchange 
                                               on which registered)

      Securities registered pursuant to Section 12(g) of the Act:

                                  None.

      Indicate by check mark whether the registrant (1) has filed all
reports required to be filed by Section 13 or 15(d) of the Securities
Exchange Act of 1934 during the preceding 12 months (or for such shorter
period that the registrant was required to file such reports), and (2)
has been subject to such filing requirements for the past 90 days.

                  Yes   X                 No      

      Indicate by check mark if disclosure of delinquent filers pursuant
to Item 405 of Regulation S-K is not contained herein, and will not be
contained, to the best of Registrant's knowledge, in definitive proxy or
information statements incorporated by reference in Part III of this
Form 10-K or any amendment to this form 10-K.  [X].
<P2>
      As of March 3, 1997, 14,210,139 Common Shares were outstanding. 
The aggregate market value of the Common Shares held by non-affiliates
of the Registrant on such date (based upon the closing price of such
shares on the New York Stock Exchange on March 3, 1997) was
$208,715,715.


                   DOCUMENTS INCORPORATED BY REFERENCE

      Portions of the Annual Report to Shareholders for the fiscal year
ended December 31, 1996 (the "Annual Report to Shareholders"), are
incorporated by reference into Parts II and IV.  Portions of the
definitive Proxy Statement for the Annual Meeting of Shareholders to be
held on May 14, 1997 (the "Proxy Statement"), and to be filed within 
120 days after the Registrant's fiscal year ended December 31, 1996, are
incorporated by reference into Part III.
<P3>
                                 PART I

ITEM 1.  BUSINESS

      Osmonics, Inc. and its wholly-owned subsidiaries (the "Company")
design, manufacture and market machines, systems and components used in
the processing and handling of fluids.  The Company was founded in 1969
and manufactures replaceable, semi-permeable membranes and other filter
media for use in fluid separation and filtration.  The Company's
processing equipment employs crossflow filtration (including reverse
osmosis, nanofiltration, ultrafiltration and microfiltration), normal
filtration (including microfiltration and particle filtration),
coalescing filtration, ion exchange, clarification, chromatography,
ozonation and distillation.  The Company's fluid handling equipment
includes centrifugal, diaphragm and bellows pumps; electronic
controllers to operate precision valves for water conditioning; flow
control and measuring devices and instrumentation; and specialty holders
and devices for retaining its membranes and filter media.

      Crossflow, normal and coalescing filtration are precision
processes in which a semi-permeable membrane or other filter material
separates a fluid's components.  Separation is accomplished by applying
pressure to a fluid in order to cause selective passage of some
components of the fluid through the membrane or filter media.  Ion
exchange and chromatography are quasi-filtration processes in which
specialized plastic beads are used to selectively remove ionized or
charged particles from a fluid.  The fluid is pressurized and passes
through a bed of the plastic beads in a normal filtration mode. 
Distillation is the condensation of steam from boiling water to produce
ultrapure water.  Ozone generation equipment uses electricity to develop
a corona discharge which produces ozone, a strong oxidant used in the
purification of water and other fluids.

      The Company's processing products are used in fractionation,
preferential separation, conditioning and purification in connection
with such processes as purification of water and industrial solutions,
dewatering and recycling of commercial and industrial fluids, pollution
control and seawater desalting.  The Company's principal domestic and
international markets, from which it derives more than 50% of its sales,
include the electronics, potable water, health care, biotechnology, food
and beverage, chemical processing and power generation industries.    

      Filtration processes cover a broad spectrum ranging from those
which separate discrete molecules and ions to those which separate
particles visible to the naked eye.  Historically, the Company
specialized in products utilizing crossflow filtration processes
designed to separate particles in the molecular range.  Through
acquisitions and internal product developments, the Company now has a
full line of filtration products including depth cartridge filters for
particle filtration and pleated membrane cartridge filters for
microfiltration.  The filtration media and membrane is produced
primarily from polymers; however, inorganic membranes and filters of
metal and ceramic are also manufactured.  In addition, the Company
manufactures housings to contain the filters.  The crossflow filter
membrane elements, and the microfilter and depth filter cartridges are
replaceable while the housings are a permanent fixture in the fluid
processing system.
<P4>
      To provide a complete line of products for the production of pure
water, the Company manufactures distillation equipment, both single-
effect and more energy efficient multi-effect.  In addition,
deionization and softening equipment in both laboratory size and large
scale is manufactured in multiple locations.  

      In June 1989, the Company acquired Ozone Research & Equipment
Corporation of Phoenix, Arizona.  Ozone Research was founded in 1957 and
is a pioneer in the manufacture of ozone generation equipment for the
purification of water and the testing of elastomeric materials.

      In November 1989, the Company acquired certain assets for the
manufacture and sale of MACE flow control and pumping products to
increase its fluid handling offerings.  MACE products are made from
Teflon PTFE, the most chemically stable polymer available, and are used
to handle ultrapure and aggressive chemicals.  

      In December 1990, the Company acquired certain assets of the
FASTEK Division of Eastman Kodak for the production of reverse osmosis
membrane, home reverse osmosis membrane elements, a rolled filter
product, and a blown microfiber filter cartridge product.  This
Syracuse, New York facility and manufacturing equipment provides the
Company with added capacity and capability and gives the Company three
sites for manufacturing membrane and membrane elements.

      In October 1993, the Company acquired Autotrol Corporation through
a pooling-of-interests, stock-for-stock transaction.  Autotrol was
founded in 1962 and is a leader in the manufacture of controllers for
water softening and filtration equipment.  In addition, Autotrol
manufactures other fluid control and measuring devices such as a
totalizing flow meter and dosing system to assure proper treatment of
cooling tower water.  Most of Autotrol's products are sold to OEM's who
then use them as a component in a water conditioning device which is
then sold to consumers.  

      In November 1994, the Company acquired substantially all of the
assets of Lakewood Instruments of Phoenix, Arizona.  This acquisition
adds a line of instruments, sensors and analyzers used in the
measurement of fluid characteristics in the chemical water treatment and
pure water industries.

      In October 1995, the Company acquired the assets and operations of
Western Filter Company, Denver, Colorado, an important supplier to the
beverage and bottled water industry for over 50 years.  Western Filter
has extensive experience in providing the beverage market with
conventional water treatment technologies and membrane water treatment. 
Western Filter also has experience in coagulation clarification
pretreatment technologies.  These technologies will be utilized with
Osmonics' existing distribution channels, allowing the Company to expand
capability in the international markets where conventional water
treatment is required, as well as complement municipal sales in the
United States where ozone disinfection is becoming accepted.

      In July 1996, the Company acquired Desalination Systems, Inc.
("Desal") through a pooling-of-interests, stock-for-stock transaction. 
Desal manufactures crossflow filtration membrane and membrane elements. 
<P5>
Desal has manufacturing facilities in Vista, California, and markets its
products worldwide.  Desal's products extend the range of membranes and
membrane elements previously offered by the Company.  The acquisition
also extends the Company's distribution network for such products.  

      In February 1997, the Company acquired AquaMatic, Inc. of
Rockford, Illinois.  AquaMatic, started in 1930, offers a line of
specialty valves and controllers for the water conditioning market,
which will be sold through existing Osmonics distribution channels.

      The Company focuses the marketing of its products through two
sales groups:

   1.  Large equipment and systems.

   2.  Components and product sales.

Both of these sales groups are supported by Application Engineers and
market support personnel.  

Products

      Membranes and Membrane Elements:  The Company markets polymer
membranes for crossflow applications sold in replaceable elements.  Most
membranes are produced in a spiral-wound configuration ranging in
diameter from two to twelve inches and in length from twelve to sixty
inches.  

      Membrane elements are typically replaced every 6 to 60 months,
depending upon the severity of the application.  The Company
manufactures the membrane material and membrane elements used in its own
systems, and also manufactures membrane elements for other original
equipment manufacturers (OEM's) who include them as component parts in
their products.  

      The Company's membranes are used in many bioengineering processes
such as the production of high fructose corn sugar, enzyme purification,
and purification of pharmaceuticals produced by biological processes. 
Other uses include water purification applications in hemodialysis,
semiconductor manufacturing, production of pure water for beverages,
production of ultrapure pharmaceutical and boiler feed water, industrial
water purification and waste removal for pollution control compliance. 
In addition, the Company sells its home reverse osmosis (HRO) membrane
elements to OEM's who package them into systems for use in homes,
offices and retail vending establishments to produce purified drinking
water.  The Company is registered with the United States Food and Drug
Administration for the manufacture and sale of certain membrane elements
used in biological preparations.

      Beginning in December 1985, the Company funded the start-up of
Poretics Corporation for the development, manufacture, and sale of
polycarbonate track-etched membrane and the hardware for use in a
variety of laboratory and medical diagnostic applications.  The Company
also manufactures silver microfiltration membranes and ceramic
microfilters used in the laboratory.  Use of the silver membrane in
normal filtration will neither kill bacteria nor cause them to grow,
<P6>
permitting use of this separation process to count bacteria by
collecting them on the membrane.  Numerous applications exist for the
Company's microfilters because of unique features, including use in air
monitoring and in laboratory procedures for cancer and other research.

      Filters:  The Company markets replaceable depth cartridge filters,
pleated cartridge filters, and rolled cartridge filters.  The depth
cartridge filters consist of a matrix of thermally-bonded polypropylene
blown microfibers.  The structure of these fibers allows particles to be
trapped throughout the depth of the cartridge filter rather than simply
on its surface, enhancing the efficiency of the filtration process.  The
pleated cartridge filters use either a specially processed sheet of
blown polypropylene microfibers or microporous membranes and use surface
filtration to act as a very selective filter.  Rolled cartridge filters
use media similar to pleated filters in a semicrossflow configuration,
for enhanced filtration in specialized applications.  Cartridge filters
are manufactured in a range of pore sizes and particulate retention
ratings.  As a result of retention of particles in the filters,
cartridge filters are typically replaced at intervals of eight hours to
four weeks.

      The Company markets ceramic cartridge filters for microfiltration
and particulate filtration.  The ceramic cartridge filters operate
similar to the pleated cartridge filters in that particles are trapped
on the surface.  Ceramic cartridge filters are used to sterilize
pharmaceutical solutions and are used in laboratory applications, where
many analytic and diagnostic procedures require purification or
sterilization.

      The Company also markets separation elements and equipment used in
coalescing filtration, a process distinct from crossflow and normal
filtration, which separates different liquids based on their density and
adsorption differences.  This process can reduce concentrations of
contaminants of several percent to only a few parts per million. 
Applications of coalescing filtration include removal of contaminants
from compressed air and gas lines, dewatering of solvents and jet fuel,
and removal of trace oil from waste water prior to disposal.

      Ion Exchange and Chromatography Equipment:  The Company markets
equipment using ion exchange technology.  Ion exchange plastic beads and
selected polymer gels are utilized to preferentially adsorb ionized and
charged material from a fluid stream.  After the ion exchange beads have
adsorbed a certain amount of material, they must be regenerated,
typically with acid or caustic, or in the case of chromatography with a
selected fluid to strip off the adsorbed material.  The most used ion
exchange process is for water softening where the ions of calcium and
magnesium are replaced with sodium to reduce soap usage, improve boiler
operation and improve cleaning.  The Company is a leader in the
manufacture of the controllers and valves used to effect softening. 
Another ion exchange application is to polish ultrapure water for
electronics manufacture and high pressure boiler feed.  Chromatography
is primarily used to purify biotech fluids and food proteins.

      Distillation Equipment:  The Company markets distillation and
related water purification equipment used primarily in the laboratory
and pharmaceutical industries.  Distillation, which involves the
<P7>
condensation of steam from boiling water, was one of the first
technologies used to purify water.  The Company's distillation product
lines range from laboratory stills to elaborate 2000-gallon-per-hour
multi-stage purifiers.  

      Ozonation Equipment:  The Company markets equipment to generate
ozone from electricity using corona discharge.  Ozone is becoming
increasingly important as a bactericide and water purifier because it
kills bacteria, virus and giardia cysts 10 to 300 times faster than
chlorine.

      Ozone is also effective in oxidizing trace organic materials in
water which are precursors of the carcinogenic trihalomethanes.  Ozone
can also be used to purify solvent-contaminated groundwater and is often
used to de-color water and waste water.  

      Pumps, Valves and Flow Control Devices:  The Company markets a
line of multi-stage centrifugal pumps.  These pumps were developed by
the Company to meet the need for dependable high pressure pumps and are
available in 60 standard sizes with flows ranging from 3 gallons per
minute to 500 gallons per minute and pressure capabilities from 
25 pounds per square inch (psi) to 500 psi.  The pumps are capable of
operating in series to obtain 1000 psi for seawater desalting and other
high pressure applications.

      The Company markets two types of chemical-resistant, air-operated
pumps used in both the chemical and electronics industries.  These
unique pumps are constructed of Teflon PTFE or polypropylene materials
making them resistant to acids, caustics, solvents and numerous other
aggressive chemicals.

      The Company markets a dry chemical feeder system to sanitize well
water and reduce iron and sulfur odors, and also markets the pellets
used in the feeder.  

      The Company markets totalizing flow meters and electronic
controllers made of corrosion resistant Noryl plastic, as well as a line
of Teflon PTFE fluid control products including valves, fittings and
flow meters used in the electronics, pharmaceutical and chemical
industries.  The PTFE is molded and machined into unique shapes to
provide extremely chemical resistant high temperature parts.

      The acquisition of Lakewood Instruments brings to the Company a
line of analog and digital instrumentation which strengthens and
broadens corporate offerings to the chemical water treatment and high
purity water industries.  Lakewood manufactures conductivity, pH, ORP,
chlorine and specific ion sensors, analyzers and controllers, which
offer unique synergies with Autotrol's flow-based controls, enabling
chemical water treatment companies to offer a comprehensive line of
products for cooling tower and boiler water treatment from a single
source.  Lakewood is also developing new local operating network (LON)
communications and data acquisition capabilities, which allow networking
multiple sensors to an individual control/display device using standard
telephone cable.  
<P8>

      Machines and Systems:  The crossflow and normal filtration
machines manufactured by the Company are comprised of one or more
membrane elements, cartridge filters, pumps, valves, controls,
transformers, heat exchangers, pipes and a steel frame on which the
components are mounted.  The size and number of membrane elements and
filters can vary greatly.  Pumps, pipes and frames of various sizes can
be combined and configured to accommodate the membrane elements or
filters required for various fluid handling or separation tasks.

      The systems sold by the Company are comprised of one or more
machines or pieces of equipment designed and manufactured by the Company
as well as ancillary equipment, such as prefilters and postfilters, ion
exchange equipment, ozonator equipment, additional pumps, heat
exchangers and holding tanks.  The type, size and number of machines and
the ancillary equipment included in a system will vary with the nature
and size of the fluid separation task.  

      The Company is registered with the United States Food & Drug
Administration as a Class II medical device manufacturer for certain of
its reverse osmosis machines, as is required to supply water
purification equipment for use in artificial kidney dialysis.

      The following table shows the percentage of net sales during the
past five years attributable to the Company's fluid processing and
handling equipment compared to its replaceable components:

         Year Ended                        Replaceable
         December 31      Equipment <F1>    Components <F2>
            1996              49%               51%
            1995              48%               52%
            1994              51%               49%   
            1993              49%               51%
            1992              50%               50%

F1   
Equipment includes: (i) membrane elements, filter elements, ion
exchange resin and filter cartridges sold with machines, (ii)
pumps, controls, instruments, valves, fittings, chemicals, and
other ancillary equipment sold with systems and (iii) pumps,
control valves, instruments and machines sold separately.

F2   
Replaceable components include only those membrane elements,
coalescer and dielectric elements, cartridges, membranes, filters
and other components sold by the Company as replacements for its
machines, systems and products, or as replaceable components for
products manufactured by others.  They do not include those
components originally sold as parts of new machines or systems
manufactured by the Company.  Sales of components and replacement
parts provide the Company with a relatively stable and continuing
source of revenue.

Sales and Marketing

      The Company markets its custom machines and systems through its
direct sales force.  The Company's standard products are marketed to a
network of independent distributors with the help of Company district
managers.  These distributors provide worldwide installation service and
<P9>
stocking of a wide range of the Company's standard products.  Some sales
are made directly to certain of the Company's largest customers and to
other manufacturers of filtration equipment and systems.

      The Company's marketing activities include appearances at trade
shows, direct mail campaigns, advertisements in professional and trade
journals and appearances before professional organizations.  The Company
participates with its customers in planning the systems in which its
products are to be used, particularly if new applications are involved. 
In some cases, the sale of a system designed for a particular customer
may result from an engineering and service relationship which has
extended over several years.

Research and Development

      Research and development activities emphasize product development
and applied research, with the goal of developing proprietary products. 
Such expenditures totaled $10,937,000 in 1996, $9,399,000 in 1995, and
$8,989,000 in 1994.  The Company anticipates that research and
development expenditures in 1997 will be similar to the 1996 level as a
percent of sales.

Patents and Trademarks

      The Company has been granted domestic and certain foreign
trademarks on numerous product names, and on its logo-types.  The
Company holds domestic and foreign patents on certain of its filter
media, filters, controlling valves, machine designs and other products. 
Although the Company believes that its patents have value, the Company's
business is not dependent on any patent or group of related patents. 
The Company considers its technological position to be based primarily
on its proprietary manufacturing methods, innovative engineering and
marketing expertise.

Employees

      As of December 31, 1996, the Company employed 1,402 persons,
including 247 holding engineering or technical degrees.

Competition

      The Company experiences competition from a variety of sources with
respect to virtually all of its products, although the Company knows of
no single entity that competes with it across the full range of its
products and systems.  Competition in the markets served by the Company
is based on a number of factors, which may include price, technology,
applications experience, know-how, availability of financing,
reputation, product warranties, reliability, service and distribution.

      With respect to the Company's membrane and related water treatment
equipment business activity, there are a number of companies, including
several sizable chemical companies, that manufacture membranes, but not
equipment.  There are numerous smaller companies, primarily fabricators,
that build water treatment and desalination equipment, but which
generally do not have their own proprietary membrane technology.  A
limited number of companies manufacture both membranes and equipment. 
<P10>
In ozone and distillation equipment, there are both large and small
competitors with no single dominant competitor.  In water softener
controls and valves, the Company has three primary and numerous
secondary competitors.  Some competitors sell only controller valves and
some sell complete softeners.  The Company has numerous competitors in
its conventional water treatment and filtration products business
activities.  

      With respect to the Company's disposable filter and lab products,
two companies, Pall and Millipore, dominate the industry with several
smaller companies competing in selected product lines.  

      With respect to the Company's pump and fluid handling products,
there are numerous competitors of larger size and with greater resources
than the Company.  Some competitors have significantly broader product
lines than the Company.  

      The Company is unable to state with certainty its relative market
position in all aspects of its business.  Many of its competitors have
financial and other resources greater than those of the Company.

Raw Materials

      The principal raw materials used by the Company are various
plastic materials including polyvinyl chloride, polypropylene, Noryl
PPO, cellulose acetate, polycarbonate, polyester, polysulfone, and PTFE;
ceramic and glass materials, stainless steel, steel, brass, copper,
titanium, silver and various synthetic materials, all of which are
normally available from sources within the continental United States. 
Most raw materials used by the Company are available from multiple
sources of supply.  A limited number of materials are proprietary
products of major chemical companies which, if not available, would have
a material effect on the Company's sales and profits.  The Company
believes it could find substitutes for these materials if they should
become unavailable, but has no assurance that the substitute would
perform as well or be priced as favorably.

      To date, the Company has experienced no difficulty in securing any
of its needed raw materials and components.

Customers

      No one customer accounted for 10 percent or more of the Company's
consolidated revenue in 1996, 1995 or 1994.

Backlog

      The dollar amount of the Company's backlog of orders considered to
be firm at December 31, 1996, was $27.9 million.  The comparable backlog
at December 31, 1995, was $20.6 million.  The Company expects that
nearly all orders included in the backlog at December 31, 1996, will be
filled during the 1997 fiscal year.  The Company does not believe that
its backlog at any time is necessarily indicative of annual sales.  The
business of the Company is not subject to significant seasonal
variations.  
<P11>
Governmental Regulation

      Certain applications of the Company's reverse osmosis and
ultrafiltration products and distillation equipment are subject to
governmental regulation.  Systems used for fractionation of cheese whey
for human consumption are subject to regulation by the United States
Department of Agriculture.  Reverse osmosis, ultrafiltration and
distillation systems used in medical applications, particularly the
systems used in artificial kidney dialysis equipment and pharmaceutical
water for injection, are subject to regulation by the United States Food
and Drug Administration.  Ultrafiltration and microfiltration products
used for biological separations are subject to regulation by the United
States Food and Drug Administration.

      To date, compliance with federal, state and local provisions
relating to the protection of the environment has had no material effect
upon the capital expenditures, earnings or competitive position of the
Company.

Foreign Operations

      Substantially all of the Company's operations and assets are
located in the United States.  The Company has sales offices and
distribution facilities in France, Thailand, Switzerland, Hong Kong,
Japan, Singapore and China.  Limited assembly is conducted in Europe and
Asia.  The profitability of domestic and foreign sales is substantially
equal.  Sales to Canada are made on the same trade terms as are
available to U.S. customers.

      Large export sales are primarily made on the basis of confirmed
irrevocable letters of credit or time drafts to selected customers in
U.S. dollars.  Therefore, the Company believes that problems of currency
fluctuation or political and economic stability do not constitute
substantial risks.  See Note 11 of Notes to Consolidated Financial
Statements for a breakdown of the Company's foreign operations and
export sales by geographic area.

ITEM 2.  PROPERTIES

      The executive offices and principal manufacturing facilities of
the Company are located in Minnetonka, Minnesota, a suburb of
Minneapolis.
<P12>
      A summary of the Company's main operating facilities is as
follows:


   Location         Status       Size                Function

Minnetonka, MN      Owned    309,600 sq ft      Sales, Manufacturing,
                                                Warehouse

Milwaukee, WI       Owned    103,700 sq ft      Sales, Manufacturing,
                                                Warehouse

Phoenix, AZ         Owned     57,600 sq ft      Sales, Manufacturing,
                                                Warehouse

Vista, CA           Owned    110,000 sq ft      Sales, Manufacturing,
                                                Warehouse

Escondido, CA       Leased    30,000 sq ft      Manufacturing

Rockland, MA        Leased    38,200 sq ft      Sales, Manufacturing,
                                                Warehouse

Syracuse, NY        Owned     48,500 sq ft      Sales, Manufacturing,
                                                Warehouse

Upland, CA          Leased    22,000 sq ft      Sales, Manufacturing,
                                                Warehouse

Denver, CO          Owned     20,700 sq ft      Sales, Manufacturing,
                                                Warehouse

Ft. Lauderdale, FL  Leased    20,000 sq ft      Sales, Warehouse

Livermore, CA       Leased     6,000 sq ft      Sales, Manufacturing,
                                                Warehouse

Emmetsburg, IA      Leased     8,800 sq ft      Manufacturing, Warehouse

Bryan, TX           Owned      2,500 sq ft      Manufacturing, Warehouse

Le Mee, France      Owned     18,300 sq ft      Sales, Manufacturing,
                                                Warehouse

Neuchatel,          Leased     4,000 sq ft      Sales, Warehouse
 Switzerland

Total Owned                  670,900 sq ft

Total Leased                 129,000 sq ft

Total Owned and Leased       799,900 sq ft
<P13>
      Certain debts of the Company are collateralized by real property
of the Company.  

      The current manufacturing facilities are adequate for
intermediate-term operations.  In addition, the Company leases space in
Thailand, Japan, Hong Kong, Switzerland and Singapore that are used
primarily for sales activities.  

ITEM 3.  LEGAL PROCEEDINGS

      The Company is currently involved in several lawsuits incidental
to its business.  Management does not believe that any of the lawsuits
will have a material adverse effect on the Company's financial position
or results of operations.

      Autotrol's rotating biological contactor assemblies (the "RBC's")
were a product which Autotrol discontinued producing and selling in 
1982.  Currently there are no performance claims pending against the
Company with respect to the RBC's, and, as of December 31, 1996, the
Company has reserves to cover potential future liability with respect to
the RBC's.  


                                 PART II

ITEM 5.  MARKET FOR THE REGISTRANT'S COMMON EQUITY AND RELATED
         SHAREHOLDER MATTERS

      The Company's common stock trades on the New York Stock Exchange
under the symbol "OSM".

      Shareholders of record on March 3, 1997 numbered 2,630.  The
Company estimates that an additional 2,500 shareholders own stock held for 
their account at brokerage firms and financial institutions.

                                 1996                   1995
Quarterly Prices<F1>        High      Low          High      Low
First Quarter              20 3/8    18 1/4       16 5/8    13 1/4  
Second Quarter             24 7/8    18 1/2       18 1/4    15 1/2
Third Quarter              22 3/4    18 1/4       17 7/8    15 1/2
Fourth Quarter             22 1/8    18 5/8       21 1/4    16 5/8


F1  Adjusted for splits.


      "Notes to Consolidated Financial Statements," pages 19-23 of the
Annual Report to Shareholders, are incorporated herein by reference. 
As of March 14, 1997 there were 2,650 shareholders of record.

      The Company has not paid cash dividends on its common shares.  The
Board of Directors currently intends to retain its earnings for the
expansion of the Company's business.  The Company has issued promissory
notes which contain a covenant limiting the payment of dividends to
shareholders.  At December 31, 1996, approximately $33,583,000 of retained
earnings was restricted under this covenant.  

ITEM 6.  SELECTED FINANCIAL DATA

      "Selected Financial Data," page 29 of the Annual Report to
Shareholders, is incorporated herein by reference.

ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
         RESULTS OF OPERATIONS

      "Management's Discussion and Analysis of Financial Condition and
Results of Operations," pages 24 and 25 of the Annual Report to
Shareholders, is incorporated herein by reference.  
<P14>
ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

      The following consolidated financial information of the Registrant
and its subsidiaries, included in the Annual Report to Shareholders, is
incorporated herein by reference:

                                                     Page(s)
      
      Consolidated Statements of Income  . . . . . .   16
      
      Consolidated Balance Sheets  . . . . . . . . .   17

      Consolidated Statements of Cash Flows  . . . .   18

      Consolidated Statements of Changes in 

        Shareholders' Equity   . . . . . . . . . . .   19

      Independent Auditors' Report   . . . . . . . .   24

      Notes to Consolidated Financial Statements . .   19-23

      Quarterly Income Data  . . . . . . . . . . . .   26


                                PART III

ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

                  Executive Officers of the Registrant
 
                                                                 Officer
    Name and Age              Position with Company               Since 

D. Dean Spatz (52)         President and Chairman                 1969
                           of the Board

Ruth Carol Spatz (52)      Secretary                              1969

Howard W. Dicke (59)       Vice President Human Resources         1978
                           and Corporate Development, 
                           and Treasurer

L. Lee Runzheimer (54)     Chief Financial Officer                1988

James J. Carbonari (55)    Vice President Sales & Marketing       1989

Kenneth E. Jondahl (40)    Vice President International           1991

Andrew T. Rensink (40)     Vice President Technology              1991

      All of the executive officers, except Messrs. Jondahl and Rensink,
have been officers of the Company for more than five years.  Mr. Jondahl
joined the Company in 1981 as an Application Engineer.  Since then he
has served as a Regional Sales Manager, Dairy Market Specialist, General
Manager of Osmonics Asia/Pacific, General Manager of Osmonics Europa,
<P15>
Marketing Manager and International Sales Manager.  He was promoted to
Vice President International in April 1991.  Mr. Rensink joined the
Company as Vice President Technology in September 1991.  Prior to that
he had been a plant manager and manufacturing manager for Mantaline, an
elastomeric extrusion company.  Previously he held various management
positions in both engineering and manufacturing in several General
Electric business units.  All executive officers are elected annually
by, and serve at the direction of, the Board of Directors.  
D. Dean Spatz and Ruth Carol Spatz are husband and wife.

ITEM 11.  EXECUTIVE COMPENSATION

      The information required by this Item is incorporated herein by
reference to the definitive Proxy Statement for the Company's 1997
Annual Meeting of Stockholders.

ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND
          MANAGEMENT

      The information required by this Item is incorporated herein by
reference to the definitive Proxy Statement for the Company's 1997
Annual Meeting of Stockholders.

ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

      The information required by this Item is incorporated herein by
reference to the definitive Proxy Statement for the Company's 1997
Annual Meeting of Stockholders.  


                                 PART IV

ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULE, AND REPORTS ON
          FORM 8-K

          (a) (1)  Financial Statement

                   The consolidated financial statements of the
                   Registrant and its subsidiaries, included in the
                   Annual Report to Shareholders, are incorporated by
                   reference in Item 8, and are also incorporated herein
                   by reference.

          (a) (2)  Financial Statement Schedules

                   Reports of Independent Public Accountants on
                   Supplemental Schedules to the Consolidated Financial
                   Statements.

                   Valuation and qualifying accounts.

                   Schedules not listed above have been omitted because
                   they are either not applicable, not material or the
                   required information has been given in the financial
                   statements or in the notes to the financial
                   statements.
<P16>
              (2)  Agreement and Plan of Merger among Desalination
                   Systems, Inc., Osmonics, Inc. and DSI Acquisition
                   Corp. dated May 17, 1996.  (Incorporated herein by
                   reference to Exhibit 2 to Registration Statement on
                   Form S-3, File No. 33-05029.)
     
                   (3)A.  Certificate of Incorporation of the
                          Registrant, as amended.  (Incorporated herein
                          by reference to Exhibit 3.1 to Registration
                          Statement on Form S-2, File No. 33-336.) 
                          Certificate of Amendment.  (Incorporated
                          herein by reference to Exhibit (3)A on Form
                          10-K for fiscal year ended December 31, 1987,
                          File No. 0-8282.)

                      B.  By-Laws of the Registrant.  (Incorporated
                          herein by reference to Exhibit 3.2 to
                          Registration Statement on Form S-2, File No.
                          33-336.)

                   (4)A.  Note Purchase Agreement dated July 12, 1991. 
                          (Incorporated herein by reference to Annual
                          Report on Form 10-K for fiscal year ended
                          December 31, 1991.)

                  (10)A.* 1993 Stock Option Plan and related form of
                          stock option agreement.  (Incorporated herein
                          by reference to Annex C of the Registrant's
                          Joint Proxy Statement/Prospectus dated
                          September 10, 1993.)

                      B.  Stock Option Agreement with Michael L. Snow,
                          Director.  (Incorporated herein by reference
                          to Annual Report on Form 10-K for fiscal year
                          ended December 31, 1993.)

                      C.* 1983 Stock Option Plan and related form of
                          stock option agreement.  (Incorporated herein
                          by reference to Exhibit 10.2 to Registration
                          Statement on Form S-2, File No. 33-336.)

                      D.  1995 Employee Stock Purchase Plan. 
                          (Incorporated herein by reference to the
                          Registrant's Proxy Statement dated 
                          March 27, 1995.)

                      E.* 1995 Director Stock Option Plan. 
                          (Incorporated herein by reference to the
                          Registrant's Proxy Statement dated 
                          March 27, 1995.)
<P17>
                          * Denotes Executive Compensation Plan.   
                  (13)    1996 Annual Report to Shareholders.  (Only
                          those portions incorporated herein by
                          reference shall be deemed filed with the
                          Commission.)

                  (21)    Subsidiaries of the Registrant.

                  (23)    Consent of Deloitte & Touche LLP.

          (b)      Reports on Form 8-K

                   No reports on Form 8-K were filed during the quarter
                   ended December 31, 1996.
<P18>
                               SIGNATURES

     Pursuant to the requirements of Section 13 or 15(d) of the
Securities Exchange Act of 1934, the registrant has duly caused this
report to be signed on its behalf by the undersigned, thereunto duly
authorized.

                                    OSMONICS, INC.
                                                                         
                                    By  /s/ D. Dean Spatz              
                                            D. Dean Spatz, President

Dated:  March 26, 1997


     Pursuant to the requirements of the Securities Exchange Act of
1934, this report has been signed below by the following persons on
behalf of the registrant and in the capacities and on the dates
indicated:

       Signatures                  Title                     Date       

 /s/ L. Lee Runzheimer    Chief Financial Officer      March 26, 1997
     L. Lee Runzheimer    (Principal Finance and 
                          Accounting Officer)


 /s/ Howard W. Dicke      Vice President Human         March 26, 1997
     Howard W. Dicke      Resources and Corporate 
                          Development, and Treasurer


 /s/ Ruth Carol Spatz     Director                     March 27, 1997
     Ruth Carol Spatz


 /s/ Michael L. Snow      Director                     March 18, 1997 
     Michael L. Snow


 /s/ Ralph E. Crump       Director                     March 18, 1997
     Ralph E. Crump


 /s/ Verity C. Smith      Director                     March 17, 1997
     Verity C. Smith


 /s/ Charles W. Palmer    Director                     March 17, 1997
     Charles W. Palmer


 /s/ D. Dean Spatz        President, Chairman of       March 26, 1997
     D. Dean Spatz        the Board and Director
                          (Principal Executive Officer)



                             OSMONICS, INC.
                    CONSOLIDATED STATEMENTS OF INCOME


                    (In thousands, except share data)


                    
                                              Year ended December 31,
                                         1996          1995          1994   

Sales                                  $155,946      $130,783      $112,908 

Cost of sales                            92,523        74,670        62,503 

Gross profit                             63,423        56,113        50,405 

Operating expenses:

  Selling, general and administrative    35,079        31,377        27,967 
  Research, development and engineering  10,937         9,399         8,989 
                                         46,016        40,776        36,956 
Income from operations                   17,407        15,337        13,449 

Other income (expense), net:

  Interest income                           1,023        1,649          1,543 
  Interest expense                         (1,594)      (1,565)          (878)
  Other                                     3,072        1,412            148 
                                            2,501        1,496            813 
Income before income taxes                 19,908       16,833         14,262 

Income taxes (Note 11)                      6,441        4,954          3,808 

Net income                               $ 13,467     $ 11,879       $ 10,454 

Net income per common and
  common equivalent share                $   0.93     $   0.83       $   0.74

Weighted average number of common and
  common equivalent shares outstanding 14,458,000   14,365,000     14,206,000 

                              OSMONICS, INC.
                       CONSOLIDATED BALANCE SHEETS
                    (In thousands, except share data)
                                                           December 31,       
                                                        1996          1995  
ASSETS
Current assets:
  Cash and cash equivalents                          $  5,392      $  4,729 
  Marketable securities (Note 3)                       19,028        26,307 
  Trade accounts receivable, net of allowance for doubtful
   accounts of $907 in 1996 and $1,177 in 1995         28,200        23,552 
  Inventories (Note 4)                                 32,322        28,973 
  Deferred tax assets (Note 12)                         1,559         2,007 
  Other current assets                                  2,026         2,181 
   Total current assets                                88,527        87,749 
Property and equipment, at cost:                        
  Land and land improvements                            5,485         4,558 
  Buildings                                            27,158        18,928 
  Machinery and equipment                              50,045        41,592 
  Construction in progress                              3,438         8,009 
                                                       86,126        73,087 
  Less accumulated depreciation and amortization      (34,332)      (30,598)
                                                       51,794        42,489 
Cash restricted for purchase and construction of
  equipment (Note 5)                                    1,960         2,034 
Goodwill, net of accumulated amortization of 
  $553 in 1996 and $289 in 1995                         7,395         7,655 
Long-term investments                                     726           142 
Other assets, net of accumulated amortization of 
  intangible assets of $342 in 1996 and $230 in 1995    1,774         2,350 
   Total assets                                      $152,176      $142,419 
LIABILITIES AND SHAREHOLDERS' EQUITY                    
Current liabilities:                                    
  Accounts payable                                   $ 12,511      $ 13,957 
  Line of credit advances (Note 7)                      2,511         1,619 
  Notes payable and current portion of
   long-term debt (Note 9)                              4,982         2,192 
  Accrued compensation and employee benefits            5,254         4,231 
  Reserve for discontinued operations                   1,957         1,957 
  Other accrued liabilities (Note 8)                    7,306        10,099 
   Total current liabilities                           34,521        34,055 
Long-term debt (Note 9)                                15,900        20,919 
Deferred income taxes (Note 12)                         3,616         2,722 
Other liabilities                                         196           450 
Commitments and contingencies (Note 14)                               
Shareholders' equity (Note 10):                         
  Common stock, $0.01 par value
   Authorized -- 50,000,000
   Issued -- 1996: 14,193,239 and 1995: 14,086,007        142           141 
  Capital in excess of par value                       23,128        21,805 
  Retained earnings                                    71,781        58,314 
  Unrealized gain on marketable securities (Note 3)     2,864         3,694 
  Cumulative effect of foreign currency 
   translation adjustments                                 28           319 
   Total shareholders' equity                          97,943        84,273 
   Total liabilities and shareholders' equity        $152,176      $142,419
                          
                             OSMONICS, INC.
                  CONSOLIDATED STATEMENTS OF CASH FLOWS
                             (In thousands)

                                                  Year ended December 31,
                                                1996       1995       1994  
Cash flows from operations:
 Net income                                   $13,467    $11,879    $10,454 
 Non-cash items included in net income:
  Depreciation and amortization                 4,874      3,795      3,523 
  Deferred income taxes                         1,849        (71)      (231)
  Gain on sale of land and investments         (3,396)      (810)         - 
 Changes in assets and liabilities 
  (net of business acquisitions):
  Reserve for VAT tax                               -          -     (1,605)
  Accounts receivable                          (4,648)    (4,494)    (1,902)
  Inventories                                  (3,349)    (6,517)    (2,617)
  Other current assets                            155       (727)     1,479 
  Accounts payable and accrued liabilities     (3,216)     5,798      1,074 
  Reserve for deferred compensation                 -       (432)       (78)
     Net cash provided (used) by operations     5,736      8,421     10,097 

Cash flows from investing activities:
 Business acquisitions (net of cash acquired)       -     (5,380)      (673)
 Purchase of investments                       (1,418)    (6,633)   (17,467)
 Maturities and sales of investments            9,570     13,228     11,225 
 Purchase of property and equipment           (15,658)   (20,818)    (4,212)
 Sales of property and equipment                2,535          -          - 
 Other                                           (169)      (367)       367 
     Net cash provided (used) for investing
     activities                                (5,140)   (19,970)   (10,760)

Cash flows from financing activities:
 Notes payable and current debt                   882     13,928      1,674 
 Reduction of long-term debt                   (2,219)    (5,898)    (1,365)
 Cash restricted for purchase and construction 
  of equipment                                     74     (2,034)         - 
 Issuance of common stock                       1,324        761        680 
 Dividends paid by a pooled company                 -        (90)      (180)
     Net cash provided (used) in financing
     activities                                    61      6,667        809 

 Effect of exchange rate changes on cash            6        (94)      (444)

Increase (decrease) in cash and cash equivalents  663     (4,976)      (298)

Cash and cash equivalents - beginning of year   4,729      9,705     10,003 

Cash and cash equivalents - end of year       $ 5,392    $ 4,729    $ 9,705 

<TABLE>
                             OSMONICS, INC.
       CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
                    (In thousands, except share data)
<CAPTION>                                                       
                                                                      Unrealized
                                                 Capital               Gain on    Cumulative
                                  Common Stock   in Excess  Retained  Marketable Translation
                                Shares    Amount Par Value  Earnings  Securities Adjustments
<S>                           <C>         <C>     <C>       <C>       <C>        <C>
Balance, January 1, 1994 as
 previously reported          12,637,473  $126    $20,321   $31,453       -      $  170 

Restatement for pooling of
 interests                     1,298,416    13         45     4,798       -           - 
____________________________________________________________________________________________________

Balance - January 1, 1994 
 as restated                  13,935,889   139     20,366    36,251       -         170 

 Net income                            -     -          -    10,454       -           -  

 Translation adjustment                -     -          -         -       -           8 

 Change in unrealized gain on 
  marketable securities                -     -          -         -   1,038           - 

 Dividend of pooled company            -     -          -      (180)      -           - 

 Business combinations             7,000     -        102         -       -           - 

 Employee stock purchase
  plans                           56,568     1        577         -       -           - 
____________________________________________________________________________________________________

Balance - December 31, 1994   13,999,457   140     21,045    46,525   1,038         178 

 Net income                            -     -          -    11,879       -           - 

 Translation adjustment                -     -          -         -       -         141 

 Change in unrealized gain on  
  marketable securities                -     -          -         -   2,656           - 

 Dividend of pooled company            -     -          -       (90)      -           - 

 Employee stock purchase 
  plans                           86,550     1        760         -       -           - 
____________________________________________________________________________________________________

Balance - December 31, 1995   14,086,007   141     21,805    58,314   3,694         319 

 Net income                            -     -          -    13,467       -           - 

 Translation adjustment                -     -          -         -       -        (291)

 Change in unrealized gain on
  marketable securities                -     -          -         -    (830)          - 

 Employee stock purchase
  plans                          107,232     1      1,323         -       -           - 
____________________________________________________________________________________________________

Balance - December 31, 1996   14,193,239  $142    $23,128   $71,781  $2,864      $   28 


                             FIVE-YEAR RESULTS
                (In thousands, except per share amounts)


INCOME DATA:  (Restated for poolings-of-interests)
                  
                                 Year ended December 31, 

                              1996     1995      1994      1993     1992  

Sales                      $155,946  $130,783  $112,908  $108,212  $99,992

Net income                   13,467    11,879    10,454     9,294    4,482(a)

Net income per common 
 and common 
 equivalent share             $0.93     $0.83     $0.74     $0.66    $0.32(a)

Average shares 
 outstanding                 14,458    14,365    14,206    14,075   14,036



BALANCE SHEET DATA:  (Restated for poolings-of-interests)

Total assets              $152,176   $142,419  $110,715  $ 96,812  $89,730

Long-term debt              15,900     20,919    14,475    14,532   14,705






________________________________________________________________________________________________________________




</TABLE>
<TABLE>
                           ELEVEN-YEAR RESULTS
                (In thousands, except per share amounts)

<CAPTION>

SUPPLEMENTARY DATA:

These schedules present the prior eleven-year results of the Company as originally reported, before restatement
of prior period data for those acquisitions accounted for as poolings-of-interests, to show the effect of the
Company's strategic acquisition activity.

INCOME DATA:  (As Originally Reported)

                          Year ended December 31,

                1996      1995      1994      1993     1992     1991      1990     1989     1988     1987     1986 
<S>           <C>       <C>        <C>      <C>      <C>       <C>      <C>   
Sales         $155,946  $111,610   $96,180  $89,043  $50,541   $46,738  $43,553  $36,223  $31,058  $20,464  $15,472

Net income      13,467    11,212     9,955    7,895    4,528<Fa> 3,902    3,714    4,047    2,990    1,151      836

Net income per 
 common and
 common
 equivalent
 share           $0.93     $0.88     $0.79    $0.63    $0.50<Fa> $0.43    $0.40    $0.34    $0.25    $0.10    $0.08

Average shares 
  outstanding   14,458    12,745    12,668   12,624    9,065     8,999    9,246   11,853   11,820   11,801   10,773

  

BALANCE SHEET DATA:  (As Originally Reported)

Total 
 assets       $152,176  $125,058  $102,035  $88,826  $60,300   $54,931  $54,370  $45,884  $43,430  $37,715  $33,328
 
Working 
 capital        54,006    54,224    55,995   45,281   29,471    25,955   21,692   21,117   15,707   13,836   17,660

Long-term 
 debt           15,900    12,441    14,050   13,913   13,221    13,697   13,761    3,788    3,664    3,753    3,618

Shareholders' 
 equity         97,943    78,471    63,751   52,070   33,793    28,891   24,720   33,067   28,909   25,598   24,664

<FN>
<Fa>Includes an increase in earnings of $420 ($0.05 per share) as a result of adopting the Financial Accounting
    Standards Board Statement No. 109, "Accounting for Income Taxes."
</FN>
</TABLE>
                          QUARTERLY INCOME DATA
                (In thousands, except per share amounts)


Quarterly Income Data - 1996


                                        Quarter Ended                     

                       March 31      June 30   September 30   December 31

Sales                   $39,051      $36,727        $39,493       $40,675 

Gross profit             16,024       15,225         16,246        15,928 

Net income                3,635        3,061          3,314         3,457 

Net income per share      $0.25        $0.21          $0.23         $0.24 

Quarterly Income Data - 1995

                                        Quarter Ended                     

                       March 31      June 30   September 30   December 31

Sales                   $31,412      $31,422        $31,995       $35,954

Gross profit             13,700       13,803         13,462        15,148

Net income                2,926        2,821          2,713         3,419

Net income per share      $0.20        $0.20          $0.19         $0.24

                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

                (Dollars in thousands, except share data)

1.  Summary of Significant Accounting Policies

    The Company is a manufacturer and marketer of high technology water
    purification, fluid filtration, fluid separation, and fluid transfer
    equipment and instruments, as well as the replaceable components
    used in purification, filtration, and separation equipment.  These
    products are used by a broad range of industrial, commercial and
    institutional customers.

    The consolidated financial statements include the accounts of 
    Osmonics, Inc. and its wholly and majority owned subsidiaries (the
    Company).  Significant intercompany accounts and transactions have
    been eliminated.

    Sales are recorded when the product is shipped.

    The estimated fair value for notes payable, and long-term debt
    approximates carrying value due to the relatively short-term nature
    of the instruments and/or due to the short-term floating interest
    rates on the borrowing.  The estimated fair value of notes
    receivable approximates the net carrying value, as management
    believes the respective interest rates are commensurate with the
    credit, interest rate, and repayment risks involved.  

    The Company considers highly liquid debt instruments purchased with
    a maturity of three months or less to be cash equivalents.  

    Inventories are stated at lower of cost (FIFO method) or market for
    all operations except the Milwaukee Operation which has historically
    valued inventory on the LIFO method.  

    Depreciation and amortization of property and equipment are provided
    on the straight-line method over estimated lives of 3 to 40 years.

    Deferred income taxes have been provided for income and expenses
    which are recognized in different accounting periods for financial
    reporting purposes than for income tax purposes.

    The Company accrues for the estimated cost of warranty and start-up
    obligations at the time revenue is recognized.

    The excess of cost over the fair market value of assets acquired in
    acquisitions is amortized over not more than 40 years, with the
    majority at 30 years.  In accordance with SFAS 121 on impairment of
    assets, the carrying values of these intangibles are reviewed
    quarterly for impairment.  Other intangibles are carried at cost and
    amortized using the straight-line method over their estimated lives
    of 5 to 20 years.  

    Net income per common and common equivalent share is based on the
    weighted average number of shares outstanding during each year and,
    when applicable, those outstanding options that are dilutive.  Fully
    diluted earnings per share did not differ significantly from primary
    earnings per share in any period presented. 

    The preparation of financial statements in conformity with generally
    accepted accounting principles requires management to make estimates
    that affect the reported amounts of assets and liabilities, the
    disclosure of contingent assets and liabilities, and the reported
    amounts of revenues and expenses during the reporting period. 
    Actual results could differ from those estimates.

    Certain reclassifications have been made to prior year amounts to
    conform with current year presentations.

2.  Business Acquisitions

    Pending Acquisition

    In December 1996, the Company announced an agreement in principle to
    acquire AquaMatic, Inc. of Rockford, Illinois.  AquaMatic products
    will be sold through existing Osmonics distribution channels,
    offering a more complete line of specialty valves and controllers
    for the water treatment market.  Revenues of AquaMatic were less
    than $15,000 in 1996 and 1995.  The acquisition will be recorded
    under the purchase method of Accounting.  

    Completed Acquisitions

    On July 24, 1996, Desalination Systems, Inc. (DSI) merged with the
    Company through an exchange of 1,312,827 shares of the Company's
    common stock for the Class A common stock and Class B common stock
    of DSI.  The transaction was accounted for as a pooling-of-
    interests.  DSI's principal business is the manufacture of membranes
    used for reverse osmosis, nanofiltration, ultrafiltration and
    microfiltration.

    The historical financial statements of the Company have been
    restated to give effect to the acquisition as though the companies
    had operated together from the beginning of the earliest period
    presented.  Separate results of operations of the combined entities
    for the six months ended June 30, 1996 and the years ended 
    December 31, 1995 and 1994 were as follows:

                                  Six Months
                                ended June 30,  Year ended December 31,
                                    1996          1995        1994   
    Sales:
       Osmonics                  $ 64,405      $111,610     $ 96,180 
       DSI                         11,642        20,348       17,610 
       Eliminations                  (269)       (1,175)        (882)
          Combined               $ 75,778      $130,783     $112,908 

    Net income:                                        
       Osmonics                   $ 5,975       $11,212      $ 9,955  
       DSI                            721           667          499  
          Combined                $ 6,696       $11,879      $10,454  

    The eliminations represent sales between the combined entities prior
    to the combination.  The sales elimination had no significant effect
    on net income in the years presented.  

    On October 4, 1995, the Company acquired the assets and operations
    of Western Filter Co., Denver, Colorado.  The purchase price was
    approximately $7,000 and included $5,780 of intangible assets which
    are being amortized on the straight line method over 30 years. 
    Western Filter products are being sold through the existing Osmonics
    distribution channels, offering a more complete line of water and
    waste water treatment options.  Revenues of Western Filter were less
    than $10,000 in 1995 and 1994.  The purchase method of accounting
    was used.  The Company may be required to make additional payments
    of up to $2,000 over the period ending December 1998, contingent
    upon the sales and gross margins of Western Filter Co.

    On November 18, 1994, the Company acquired the assets of Lakewood
    Instruments, Inc.  The purchase method of accounting was used.  

    On January 1, 1994, the Company acquired the 18% minority
    shareholder interest of its majority-owned subsidiary, Poretics. 
    The Company owns 100% of Poretics' shares after the transaction. 
    The purchase method of accounting was used.  

    The Western Filter, Lakewood, and Poretics minority interest
    acquisitions had no significant pro forma effect on the Company's
    sales, net income, or net income per share in 1995 or 1994.  The
    results of operations of Western Filter, Lakewood and Poretics are
    included in the consolidated statements of income from the
    respective dates of acquisition.

3.  Marketable Securities

    The Company considers all of its marketable securities available-
    for-sale.  Marketable securities at December 31, 1996 consisted of
    the following:

                                 AmortizedUnrealized  Unrealized   Fair
                                  Cost      Gains      (Losses)    Value 

    U.S. government securities
      0-5 year maturity          $ 3,781  $   29      $ (49)      $ 3,761
      6 year or greater maturity     447       0        (10)          437

    Municipal bonds
      0-5 year maturity            2,836     118          -         2,954
      6 year or greater maturity   2,281     134          -         2,415

    Corporate debt securities and other
      0-5 year maturity              866       -        (67)          799
      6 year or greater maturity     299       -         (3)          296

    Equity securities              3,897   4,612       (143)        8,366

    Total before tax effect      $14,407   4,893       (272)      $19,028

    Deferred tax effect of 
      unrealized (gains) losses           (1,860)       103 

    Net unrealized gains (losses) on 
      marketable securities               $3,033      $(169)


Marketable securities at December 31, 1995 consisted of the following:

                                 AmortizedUnrealized  Unrealized   Fair
                                  Cost      Gains      (Losses)    Value 

    U.S. government securities
      0-5 year maturity          $ 4,784  $   60      $ (23)      $ 4,821
      6 year or greater maturity     648      24          -           672

    Municipal bonds
      0-5 year maturity            2,320     112          -         2,432
      6 year or greater maturity   4,777     211          -         4,988

    Corporate debt securities and other
      0-5 year maturity            1,505      24        (43)        1,486
      6 year or greater maturity     699      16          -           715

    Equity securities              5,616   5,681       (104)       11,193

    Total before tax effect      $20,349   6,128       (170)      $26,307

    Deferred tax effect of 
      unrealized (gains) losses           (2,329)        65 

    Net unrealized gains (losses) on 
      marketable securities               $3,799      $(105)


    Market values are based on quoted market prices. 

    In 1996, proceeds from sales of available-for-sale securities were
    $8,068.  The net gain on these sales was $2,788, determined on the
    specific identification method.

    In 1995, proceeds from sales of available-for-sale securities were
    $7,037.  The net gain on these sales was $919, determined on the
    specific identification method.


4.  Inventories

    Inventories consist of the following:

                                                   December 31,   
                                                 1996        1995 

    Finished goods                            $ 5,276     $ 4,979 

    Work in process                             9,319       7,759 

    Raw materials                              18,416      16,884 

                                               33,011      29,622 
    Less adjustment to reduce 
      inventories of $6,016 and $4,728 
      to last-in, first-out method 
      (See Note 1)                               (689)       (649)

                                              $32,322     $28,973 

5.  Restricted Cash

    Cash restricted for purchase and construction of equipment at
    December 31, 1996 and 1995 represents proceeds received from the
    issuer of Industrial Development Revenue Bonds (see Note 9)
    restricted to the purchase and construction of property and
    equipment used in the Company's operations.  

6.  Note Receivable - Fully Reserved

    In 1988, DSI, a pooled company, sold its 50% interest in another
    company in exchange for a $750 note receivable due in October of
    1998.  The note receivable is secured only by the shares of the
    company sold.  Because the company sold has no significant book
    value, the note receivable has been fully reserved.  

7.  Line of Credit

    In 1996, the Company established a $7,000 unsecured revolving line
    of credit for working capital needs.  The revolving line of credit
    is for two years with a variable interest rate which is a function
    of the LIBO rate and the Federal Reserve System reserve requirement
    for Eurocurrency liabilities.  The terms of the credit agreement
    contain certain restrictions related to financial ratios,
    indebtedness, tangible net worth and capital expenditures.  At
    December 31, 1996, the Company had borrowings outstanding under the
    line of $2,511, and the interest rate was 6.19%.  In January 1997
    the line of credit agreement was amended and increased to $12,000.

    Prior to its merger with the Company, DSI had an available bank line
    of credit which provided for borrowings up to $4,000.  Advances
    under the line were repaid after the merger and the line has been
    terminated.  At December 31, 1995, DSI had outstanding borrowings
    under the line of $1,619.

8.  Other Accrued Liabilities

    Other accrued liabilities consist of the following:

                                                   December 31,   
                                                 1996        1995 

    Warranty and start-up                       $1,802      $1,868

    Professional fees and other accruals         1,592       2,425

    Acquisition liabilities                          -       1,827

    Customer deposits                            3,024       2,258

    Accrued property taxes, income
     taxes and other taxes                         888       1,721

                                                $7,306     $10,099
9.  Debt

    Long-term debt is as follows:
                                                   December 31,   
                                                1996        1995  

    Promissory notes; interest payable 
      quarterly at the three month LIBOR 
      rate plus 80 b.p.; due through 
      2001.  The interest rate on 
      December 31, 1996 was 6.46%.            $ 8,575     $10,000 

    Industrial development revenue bonds
      (IDRB's), principal due in varying  
      annual payments over 30 years; interest 
      payable monthly at a variable rate 
      determined periodically by the bond 
      remarketing agent (4.25% at 
      December 31, 1996).                       8,270        8,550

    Industrial revenue bonds (IRB's);
      interest payable at LIBOR plus 45 to  
      95 b.p. depending on collateral 
      deposited with the lender; due in 1997.  
      The interest rate on December 31, 1996 
      was 5.97%.                                2,800       2,800 

    Mortgage notes payable to two French
      banks; interest payable monthly at PIBOR 
      plus 40 b.p.  The interest rate on 
      December 31, 1996 was 3.83%.                727         928 

    Other notes                                   510         833 

                                               20,882      23,111 

    Less current portion                       (4,982)     (2,192)

                                              $15,900     $20,919 


    The IDRB debt, IRB debt and mortgage notes payable to French banks
    are collateralized by real and personal property of the Company.

    Aggregate maturities of long-term debt outstanding at December 31,
    1996 are:  

    1997 - $4,982; 1998 - $2,150; 1999 - $2,150; 2000 - $2,242; 
    2001 - $3,692; beyond 2001 - $5,666.

    The interest rate on the IRB's is determined in part by the amount
    of collateral held by the lender.  At December 31, 1996 and December
    31, 1995, $2,000 of collateral was held by the lender, resulting in
    an interest rate of LIBOR plus 45 b.p.  The $2,000 of collateral is
    included in marketable securities.  

    The promissory notes contain a covenant which limits the payment of
    dividends to shareholders.  At December 31, 1996 approximately
    $33,583 of retained earnings were restricted under this covenant. 
    In addition, the Company's various debt agreements contain certain
    restrictions related to financial ratios, indebtedness, tangible net
    worth and capital expenditures.

    Cash payments for interest related to all debts of the Company were 
    $1,551, $1,409, and $865, for 1996, 1995, and 1994, respectively.

10. Stock Options

    At December 31, 1996, the Company had reserved 7,500 common shares
    for issuance to key employees under a 1983 stock option plan. 
    Options were issued at a price not less than market value on the
    date of grant and become exercisable over a five-year period, after
    which they expire.  The following is a summary of activity under the
    1983 stock option plan.  No additional options can be granted under
    the 1983 plan.

                                        1996       1995       1994

    Options held by employees
     at December 31                    7,500      86,206     121,126
     Exercise price range on           $10.50 to  $ 6.45 to  $ 3.63 to  
      options held at December 31      $10.50     $13.50     $13.50 

    Number of options exercised
     during the year                   65,805     34,920     22,724  
    Price range of options             $ 6.45 to  $ 3.63 to  $ 3.63 to  
     exercised during the year         $13.50     $10.16     $10.16      

    Exercisable options held at
     December 31                       7,500      84,330     97,500 
    Exercise price range of            $10.50 to  $ 6.45 to  $ 3.63 to  
     exercisable options               $10.50     $13.50     $13.50  

    The Company also has reserved 299,050 common shares at December 31,
    1996 for issuance to key employees under a 1993 Stock Option Plan. 
    Options are granted at a price not less than market value on the
    date of the grant and become exercisable over a period of up to ten
    years, after which they expire.  The following is a summary of
    activity under the 1993 Stock Option Plan.  

                                        1996       1995       1994

    Options held by employees
     at December 31                    50,200     34,163     12,633
    Exercise price range on            $13.67 to  $13.67 to  $13.67 to  
     options held at December 31       $22.38     $18.25     $14.50

    Number of options exercised
     during the year                   263        500        187
    Price range of options             $13.67 to  $14.38 to  $13.67 to
     exercised during the year         $14.38     $14.38     $13.67

    Exercisable options held at
     December 31                       10,687     2,463      375
    Exercise price range of            $13.67 to  $13.67 to  $13.67 to
     exercisable options               $18.25     $14.50     $13.67

    Desalination Systems, Inc. (DSI), a pooled company (Note 2), has a
    stock option plan for which 371,841 shares of the Company's common
    stock are reserved.  Options issued under the plan vest in varying
    periods of up to 5 years and expire on various dates through March
    2003.  The following is a summary of activity under the plan.  No
    additional options can be granted under the DSI plan.

                                        1996       1995       1994

    Options held by employees
     at December 31                    371,841    371,841    386,248
    Exercise price range on            $3.18 to   $3.18 to   $3.18 to
     options held at December 31       $6.94      $6.94      $6.94

    Number of options exercised
     during the year                   -          14,407     -
    Price range of options             
     exercised during the year         -          $3.47      -

    Exercisable options held at
     December 31                       360,315    351,672    354,553
    Exercise price range of            $3.18 to   $3.18 to   $3.18 to
     exercisable options               $6.94      $6.94      $6.94

    The Company also had a 1985 Employee Stock Purchase Plan.  In 1995
    and 1994, 14,548 and 33,657 shares were issued, respectively, under
    the 1985 Plan at an average price of $13.58 and $12.80,
    respectively.  No additional shares may be issued under the 1985
    Plan.

    The 1985 Plan was superseded by the 1995 Employee Stock Purchase
    Plan, approved by the shareholders at the 1995 Annual Meeting and
    effective June 1, 1995.  Employees may purchase common shares of the
    Company at 85% of market price.  In 1996 and 1995, 41,154 and 22,175
    shares were issued, respectively, under the 1995 Plan at an average
    price per share of $17.41 and $14.79, respectively.  At December 31,
    1996, 336,666 shares remain unissued in the 1995 Plan.  

    In 1993, the Company granted a director an option to purchase 
    45,000 shares of common stock at an exercise price of $12.33 per
    share.  This option vests over a five-year period.  

    In 1995, the Board of Directors adopted a 1995 Director Stock Option
    Plan.  The plan provides that each director of the Company shall
    automatically receive, as of the date of each Annual Meeting of
    Shareholders, a non-qualified option to purchase 3,000 shares of the
    Company's common stock.  The options have a ten-year term and are
    exercisable one year after the grant date at an exercise price equal
    to the fair market value of the shares on the grant date.  In 1996,
    options to purchase 18,000 shares at a price of $19.88 were issued
    under this plan.  In 1995, options to purchase 18,000 shares at a
    price of $17.13 were issued under this plan.  At December 31, 1996,
    18,000 options were exercisable under this plan at a price of
    $17.13.  

    The Company applies APB Opinion No. 25 "Accounting for Stock Issued
    to Employees" and related interpretations in accounting for its
    plans.  Accordingly, no compensation cost has been recognized for
    its stock-based compensation plans.  Had compensation costs been
    determined based on the fair value of the 1996 and 1995 stock option
    grants consistent with the requirements of SFAS No. 123 "Accounting
    for Stock-Based Compensation" (FAS 123), there would have been no
    material effect on the Company's pro forma net income or net income
    per common and common equivalent share for 1996 or 1995.

    The Company had 500,000 authorized and unissued shares of preferred
    stock at December 31, 1996 and 1995.

11. Income Taxes

    Income tax expense consists of:

                                            Year ended December 31,   
                                          1996       1995       1994  
    Current:

      Federal                             $3,556    $4,219     $3,520 

      State                                  395       429        370 

      Foreign                                640       372        156 

    Deferred:                                              

      Depreciation                           370       144       (204)

      Valuation allowance adjustment           -      (197)         - 

      Allowance for doubtful 
        accounts, start-up, warranty, 
        inventory and other accruals         462       314       (223)

      Discontinued operations                  -       228        350 

      Other                                1,018      (555)      (161) 

                                          $6,441    $4,954     $3,808 

    Cash payments for income taxes were $5,716, $5,382, and $3,195 for
    1996, 1995, and 1994, respectively.

    A reconciliation of the income taxes computed at the Federal
    statutory rate to the Company's income tax expense is as follows:

                                            Year ended December 31,    
                                          1996       1995        1994  

    Taxes at Federal rate (35%)          $6,968     $5,892      $4,992 
    
    Increase (decrease) resulting from:

    Valuation allowance adjustment            -       (471)       (608)

    State taxes, net of Federal tax
      benefit                               397        201         231 

    Foreign Sales Corp. benefit            (361)      (248)       (223)

    Tax credits                            (197)      (273)       (312)

    Tax exempt interest/dividend
      deduction                            (128)      (200)       (193)

    Effect of foreign affiliates with
      different tax rates or net losses      12        245        (324)

    Uncollectible account write-off        (442)         -           - 
    
    Other                                   192       (192)        245 

                                         $6,441     $4,954      $3,808 

12. Deferred Tax Assets and Liabilities

    Temporary differences which give rise to Deferred Tax Assets and
    Liabilities are as follows as of December 31:

                                                 1996        1995 
    Current assets:

      Allowance for doubtful
        accounts, start-up, warranty, 
        inventory and other accruals            $3,627      $3,863

      Unrealized gain on marketable
        securities                              (1,757)     (2,264) 

      Inventory costs capitalized for tax          115         363

      Other                                       (426)         45 

      Total current deferred assets             $1,559      $2,007 

    Noncurrent liabilities:                     

      Depreciation                              $3,130      $2,641

      Other                                        486          81 

      Total non-current deferred 
        tax liabilities                         $3,616      $2,722 


    The deferred tax asset valuation reserve decreased $471 during the
    year ended December 31, 1995.  This decrease was due to the use of
    net operating loss carryforwards and credits during the year, as
    offsets against taxable income, and to the determination that the
    remaining deferred tax assets are more likely than not to confer
    future tax benefits to the Company.    

13. Sales and Segment Information         

    All continuing operations for which geographic data is presented
    below are in one principal industry (design, manufacture and
    marketing of machines, systems, instruments and components used in
    the processing of fluids).
                                          1996       1995       1994   

    Sales to unaffiliated customers from:

      United States                     $141,124   $116,964   $100,632 
      Foreign operations                  14,822     13,819     12,276 

    Transfers from (to) geographic areas:

      United States                        7,890      7,936      6,699 
      Foreign operations                  (7,890)    (7,936)    (6,699)

                                        $155,946   $130,783   $112,908 

    Pretax income:

      United States                     $ 18,225   $ 16,190   $ 12,950 
      Foreign operations                   1,683        643      1,312 

                                        $ 19,908   $ 16,833   $ 14,262 

    Identifiable assets:                                    

      United States                     $144,609   $134,408   $103,184 
      Foreign operations                   7,567      8,011      7,531 
                                        $152,176   $142,419   $110,715 

    NOTE:  Transfers are made at market value.

    Sales by United States operations to unaffiliated customers in
    foreign geographic areas are as follows:

                                              Year ended December 31,  
                                             1996      1995       1994 

    Asia/Pacific                           $14,661   $10,915    $ 8,187

    Europe                                   9,181     7,798      7,853

    Rest of the World                        9,222     9,641      7,841
                                           $33,064   $28,354    $23,881

    Total international sales for the Company were as follows:  
    1996 - $47,886; 1995 - $42,173; and 1994 - $36,157.

14. Commitments and Contingencies

    The Company leases facilities for sales, service or manufacturing
    purposes in Wisconsin, Massachusetts, California, Florida, Iowa,
    Arizona, Switzerland, Hong Kong, Japan, Singapore, and Thailand.

    Future minimum lease payments on all operating leases of $2,750 are
    as follows:  1997 - $780; 1998 - $584; 1999 - $395; 2000 - $271;
    2001 - $180; and beyond 2001 - $540.  Rent expense for the past
    three years was:  1996 - $1,100; 1995 - $1,718; and 1994 - $1,851.

    The Company is involved in certain legal actions arising in the
    ordinary course of business.  In the opinion of management, based on
    the advice of legal counsel, such litigation and claims will be
    resolved without a material effect on the Company's financial
    position or results of operations.  

15. Stock Split

    On February 18, 1994, the Company approved a three-for-two stock
    split in the form of a 50% stock dividend for shareholders of record
    March 4, 1994.  All share and per share amounts have been restated
    to reflect the stock split.

16. Employee Benefit Plans

    The Company has a noncontributory discretionary profit sharing plan
    covering certain employees meeting age and length of service
    requirements.  The Company contributes annually to the plan an
    amount established at the discretion of the Board of Directors.  

    Total expense recognized by the Company under these plans amounted
    to $1,435, $996, and $1,077 in 1996, 1995, and 1994, respectively.  


INDEPENDENT AUDITORS REPORT

Board of Directors and Shareholders Osmonics, Inc. 
Minnetonka, Minnesota

We have audited the accompanying consolidated balance sheets of Osmonics, Inc.
and Subsidiaries ( the Company) as of December 31, 1996 and 1995 and the
related consolidated statements of income, changes in shareholders' equity,
and chash flow for each of the three years in the period ended December 31, 
1996.  These financial statements are the responsibility of the Company's 
management.  Our responsibility is to express and opinion on the financial
statements based on our audits.

We conducted our audits in accordance with generally accepted auditing 
standards.  Those standards require that we plan and perform the audit
to obtain reasonable assurance about whether the financial statements are
free of material misstatement.  An audit includes examining, on a test
basis, evidence supporting the amounts and disclosures in the financial
statements.  An audit also includes assessing the accounting principles
used and signifigant estimates made by management, as well as evaluating
the overall financial statement presentation.  We believe that our 
audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above
represent fairly, in all material respects, the financial position of
Osmonics, Inc. and subsidiaries at December 31, 1996 and 1995 and the
results of their operations and their cash flow for each of the three
years in the period ended December 31, 1996 in conformity with generally
accepted accounting principles.

/s/ Deloitte and Touche LLP
Minneapolis, Minnesota
February 10, 1997


MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL 
CONDITION AND RESULTS OF OPERATION


      The following discussion should be read in conjunction with the
Company's Consolidated Financial Statements and Notes included in this
report.

Results of Operations

      The following table sets forth certain statement of operations
data as a percentage of net sales for the periods indicated.  
                                                    
                                Years Ending             Percentage
                                December 31,         Increase (Decrease)
                                                       1996 vs   1995 vs
                          1996      1995      1994     1995      1994   
                                                    
Net Sales                100.0%    100.0%    100.0%     19.2%     15.8%
                                                    
  Cost of Goods Sold      59.3      57.1      55.4      23.9      19.5
                                                    
Gross Profit              40.7      42.9      44.6      13.0      11.3
                                                    
  SG&A                    22.5      24.0      24.7      11.8      12.2
                                                    
  RD&E                     7.0       7.2       8.0      16.4       4.6
                                                    
Operating Profit          11.2      11.7      11.9      13.5      14.0
                                                    
  Other Income             1.5       1.2       0.8      67.2      84.0
                                                    
 Income Taxes              4.1       3.8       3.4      30.0      30.1
                                                   
Net Income                 8.6       9.1       9.3      13.4      13.6

      Comparison of Years Ended December 31, 1996 and December 31, 1995

      Net Sales for 1996 increased $25,163 or 19.2% to $155,946 as
compared to net sales of $130,783 for 1995.  The sales increase was
realized across nearly all product lines, and for both domestic and
international markets.  

      Gross Profit increased $7,310 or 13.0% to $63,423 in 1996,
compared to $56,113 in 1995.  As a percentage of net sales, gross profit
decreased to 40.7% from 42.9%.  The reduction in gross profit was due to
a less favorable sales mix, more aggressive pricing in certain product
lines, and some effect of higher material costs.  Sales in 1996 included
some order backlog acquired from Western Filter in October 1995, which
was at lower gross margins than other of the Company's products.  

      Selling, General and Administrative Expenses increased $3,702 or
11.8% to $35,079 in 1996, compared to $31,377 in 1995.  As a percentage
of sales, SG&A expense decreased to 22.5% from 24.0%, primarily
reflecting improved productivity of both sales and administrative
personnel.  

      The Company's marketing priority is to get its products into
distribution as soon as possible.  In 1994, 1995 and 1996, the Company
invested significantly in growing its sales and marketing organization. 
The number of sales personnel increased by 24%, 26% and 6% in 1994, 1995
and 1996, respectively.  As a result of the Company's acquisitions, the
Company inherited a number of separate sales forces selling individual
products.  In 1996, the Company reorganized and centralized its sales
groups to focus responsibility for customer relationships for all
products through expanded local sales offices and to provide technical
sales support from the appropriate product manufacturing site.  The
Company believes these changes will enhance customer service and
increase market penetration in the future.  

      Research, Development and Engineering Expenses increased $1,538 to
$10,937 in 1996, from $9,399 in 1995.  As a percentage of sales, these
expenses were 7.0% of sales in 1996, compared to 7.2% in 1995.  The
Company believes the current level of funding is adequate to support its
product development programs.  

      Other Income increased to $2,501 in 1996, compared to $1,496 in
1995, due primarily to gains on the sale of investments.  

      The effective tax rate for the years ended December 31, 1996 and
1995 were 32.4% and 29.4%, respectively.  The increase in the tax rate
is primarily due to the reduced availability of tax loss carryforwards
and credits from Autotrol and its subsidiaries.

      Net Earnings increased $1,588 or 13.4% to $13,467 or $0.93 per
share for 1996, compared to $11,879 or $0.83 per share for 1995.  As a
percentage of net sales, net earnings were 8.6% for 1996 compared to
9.1% for 1995.

      Comparison of Years Ended December 31, 1995 and December 31, 1994

      Net Sales for 1995 increased $17,875 or 15.8% to $130,783 from
$112,908 for 1994.  International sales increased at approximately the
same rate as domestic sales in 1995 due to improved marketing and
selling efforts in the Asia/Pacific and Americas areas.  The 1995 sales
growth also benefited from the October 1995 acquisition of Western
Filter and the November 1994 acquisition of Lakewood Instruments.

      Gross Profit increased $5,708 or 11.3% to $56,113 in 1995 compared
to $50,405 in 1994.  As a percentage of net sales, gross profit
decreased to 42.9% in 1995, compared to 44.6% in 1994.  The decrease was
due to an increased mix of sales of lower margin products, increased
material costs and more aggressive pricing.  

      Selling, General and Administrative Expenses increased $3,410 or
12.2% to $31,377 in 1995 compared to $27,967 in 1994.  As a percentage
of net sales, these expenses were 24.0% in 1995, compared to 24.7% in
1994.  The increase in spending was attributable to increased marketing
programs and expanded domestic and international selling efforts.  These
expenses did not increase at as high a rate as the sales increase due to
the continued cost savings in administrative expenses as recent
acquisitions were assimilated.

      Research, Development and Engineering Expenses increased $410 or
4.6% to $9,399 in 1995 compared to $8,989 in 1994.  As a percentage of
net sales, these expenses were 7.2% in 1995, compared to 8.0% in 1994.  

      Other Income increased to $1,496 in 1995, compared to $813 in
1994, due primarily to gains on the sale of land and investments. 

      The Company's effective tax rate for 1995 was 29.4% compared to
26.7% in 1994.  The increase in the tax rate was primarily due to the
reduced availability of tax loss carryforwards and credits from Autotrol
and its subsidiaries.

      Net Earnings increased $1,425 or 13.6% to $11,879 ($0.83 per
share) in 1995 compared to $10,454 ($0.74 per share) in 1994.  As a
percentage of net sales, net earnings were 9.1% in 1995, compared to
9.3% in 1994.

Liquidity and Capital Resources

      At December 31, 1996, the Company had cash and marketable
securities of $24,420 as compared to $31,036 at December 31, 1995.  The
reduction in cash and marketable securities was primarily the result of
investments of $15,658 in facilities and equipment during 1996.

      Cash provided by operations was $5,736, $8,421, and $10,097 for
the years ending December 31, 1996, 1995 and 1994, respectively.  The
decrease in cash provided by operating activities in 1996 and 1995 was
principally due to increased working capital requirements to support the
Company's sales growth.

      Capital expenditures for the years ending December 31, 1996, 1995
and 1994 were $15,658, $20,818, and $4,212, respectively. In 1995 and
1996, the Company expanded and reconfigured its Minnetonka, Minnesota
and Vista, California facilities.  During 1995, the Company also
purchased its previously leased Milwaukee facility for $3,100.  The
Company currently has eleven manufacturing facilities in the U.S. and
one in France.  The level of capital expenditures in 1997 is expected to
be less than the levels of 1996 and 1995.

      The Company in 1996 negotiated a $7,000 unsecured revolving line
of credit for working capital needs.  The revolving line of credit is
for two years with a variable interest rate which is a function of the
LIBO rate and the Federal Reserve System reserve requirement for
Eurocurrency liabilities.  This revolving line of credit replaced a
$1,000 line of credit.  At December 31, 1996, the Company had $4,489
available under the revolving line of credit.

      The Company's operating cash requirements consist principally of
working capital requirements, capital expenditures and scheduled
payments of principal on outstanding indebtedness.  The Company believes
that its cash and marketable securities, cash flow from operating
activities and borrowings under its bank facility will be adequate to
meet the Company's liquidity and capital investment requirements in the
foreseeable future.

Private Securities Litigation Reform Act

      The Private Securities Litigation Reform Act of 1995 provides a
"safe harbor" for forward-looking statements.  Certain information
included in this Annual Report and other materials filed or to be filed
with the Securities and Exchange Commission (as well as information
included in oral or other written statements made or to be made by the
Company) contains statements that are forward-looking.  Such statements
may relate to plans for future expansion, business development
activities, other capital spending, financing, or the effects of
regulation and competition.  Such information involves important risks
and uncertainties that could significantly affect anticipated results in
the future and, accordingly, such results may differ from those
expressed in any forward-looking statements made by or on behalf of the
Company.  These risks and uncertainties include, but are not limited to,
those relating to product development activities, dependence on existing
management, global economic and market conditions, and changes in
federal or state laws.




Percentage
Ownership
  100%        VAPONICS, INC.                     A Massachusetts Corporation
  100%        AQUA MEDIA INTERNATIONAL           A Deleware Corporation
  100%        AQUA MEDIA OF ASIA LTD.            A Hong Kong Corporation
  100%        PORETICS CORPORATION               A Deleware Corporation
  100%        OSMONICS ASIA/PACIFIC LTD.         A Hong Kong Corporation
  100%        OSMONICS EUROPA, S.A.              A Switzerland Corporation
  100%        OSMONICS INTERNATIONAL LTD.        A Jamaica Corporation
  100%        OSMONICS INTERNATIONAL, INC.       A Minnesota Corporation
  100%        OZONE RESEARCH & EQUIPMENT CORP.   An Arizona Corporation
  100%        GHIA, INC.                         A Nevada Corporation
  100%        AUTOTROL CORPORATION               A Wisconsin Corporation
  100%        AUTOTROL (FAR EAST) LTD.           A Japan Corporation
  100%        AUTOTROL S.A.                      A France Corporation
  100%        OSMONICS INTERNATIONAL SALES CORP. A Virginia Islands Corporation
  100%        AUTOTROL PTY. LTD.                 An Australia Corporation
  100%        MICROL SYSTEMS, LTD.               An England Corporation
  100%        PETECO CORPORATION                 A Minnesota Corporation
   50%        NIPPON AUTOTROL K.K.               A Japan Corporation



INDEPENDENT AUDITORS' CONSENT

Osmonics, Inc.

We consent to the incorporation by reference in Registration Statements
No. 33-25228 and 33-537 of Osmonics, Inc. on Form S-8 and Registration
Statement No. 33-05029 filed on Form S-3 of our reports Dated February 10,
1997 appearing and incorporated by reference in this Annual Report on Form
10-K of Osmonics, Inc. for the year ended December 31, 1996.

/s/  Deloitte and Touch LLP
     Minneapolis, Minnesota
     March 24, 1997


<TABLE> <S> <C>

<ARTICLE>  5
<LEGEND> 
This schedule contains summary financial information extracted from Form 10-K
for the year ended December 31, 1996, and is qualified in its entirety by 
reference to such financial statements.
</LEGEND>
       
<S>                     <C>
<PERIOD-TYPE>           12-MOS
<FISCAL-YEAR-END>                DEC-31-1996
<PERIOD-END>                     DEC-31-1996
<CASH>                                  5392
<SECURITIES>                           19028
<RECEIVABLES>                          28200
<ALLOWANCES>                             907
<INVENTORY>                            32322
<CURRENT-ASSETS>                       88527
<PP&E>                                 86126
<DEPRECIATION>                         34322
<TOTAL-ASSETS>                        152176
<CURRENT-LIABILITIES>                  34521
<BONDS>                                15900
<COMMON>                                 142
                      0
                                0
<OTHER-SE>                             97801
<TOTAL-LIABILITY-AND-EQUITY>          152176
<SALES>                               155946
<TOTAL-REVENUES>                      155946
<CGS>                                  92523
<TOTAL-COSTS>                          92523
<OTHER-EXPENSES>                       46016
<LOSS-PROVISION>                           0
<INTEREST-EXPENSE>                      1594
<INCOME-PRETAX>                        19908
<INCOME-TAX>                            6441
<INCOME-CONTINUING>                    13467
<DISCONTINUED>                             0 
<EXTRAORDINARY>                            0 
<CHANGES>                                  0
<NET-INCOME>                           13467
<EPS-PRIMARY>                            .93
<EPS-DILUTED>                            .93

        

</TABLE>


INDEPENDENT AUDITORS' REPORT

Osmonics, Inc.

We have audited the consolidated financial statements of Osmonics, Inc.
(the Company) as of December 31, 1996 and 1995 and for each of the three
years in the period ended December 31, 1996 and have issued our report
thereon dated February 10, 1997.  Such financial statements and report are
included in the Company's 1996 Annual Report to Shareholders and are
incorporated herein by reference.  Our audits also included the financial
statement schedule of the Company, listed in Item 14.  This financial 
statement schedule is the responsibility of the Company's management.  Our
responsibility is to express an opinion based on our audits.  In our opinion,
such financial statement schedule, when considered in relation to the basic
financial statements taken as a whole, presents fairly, in all material 
respects, the information set forth therein.

/s/  Deloitte and Touche LLP
     Minneapolis, Minnesota
     February 10, 1997

<TABLE>
                                OSMONICS, INC. AND SUBSIDIARIES
                               VALUATION AND QUALIFYING ACCOUNTS
                                        (In thousands)

                         Years Ended December 31, 1996, 1995 and 1994


<CAPTION>

            Column A                   Column B         Column C          Column D    Column E

                                                        Additions     
                                        Balance    Charged    Charged                 Balance
                                          at          to        to                      at
                                       Beginning   Cost and    Other                  End of
          Description                  of Period   Expensed   Accounts   Deductions   Period  
<S>                                    <C>         <C>        <C>        <C>           <C>                                    

Year Ended December 31, 1996:                                                                  
   Current Operations:                                                                
   Allowance for Doubtful Accounts     $1,177      $   59                $  329(FA)    $  907
   Warranty and Start-up Reserve       $1,868      $2,414                $2,480(FB)    $1,802

   Discontinued Operations:                                                           
   Warranty Reserve                    $1,957                                         $1,957

Year Ended December 31, 1995:                                                         
   Current Operations:                                                                
   Allowance for Doubtful Accounts     $1,329      $   80     $109(FC)   $  341(FA)    $1,177
   Warranty and Start-up Reserve       $1,981      $1,406                $1,519(FB)    $1,868
                                                                         
   Discontinued Operations:                                                           
   Allowance for Doubtful Accounts     $   46                            $   46(FA)    $    0
   Warranty Reserve                    $1,961                            $    4(FB)    $1,957
   Reserve for Discontinued Operations $  127                            $  127       $    0
                                                                         
Year Ended December 31, 1994:                                                         
   Current Operations:
   Allowance for Doubtful Accounts     $1,276      $  134                $   81(FA)    $1,329
   Warranty and Start-up Reserve       $1,996      $1,350                $1,365(FB)    $1,981

   Discontinued Operations:                                                           
   Allowance for Doubtful Accounts     $   87                            $   41(FA)    $   46
   Warranty Reserve                    $1,972                            $   10(FB)    $1,961
   Reserve for Discontinued Operations $  240                            $  113       $  127
<FN>
<FA>  Uncollectible accounts charged against allowance.
<FB>  Actual warranty claims and start-up costs charged against reserve.
<FC>  Addition due to acquisition.
</FN>
</TABLE>






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