Filter insert for pre-filter AFM-85

Code: AFM-85V
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€98,39 –1 %
Filter insert for pre-filter AFM-85
€98,39 –1 % €96,43 / pcs €79,69 excl. VAT Measure price:
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13.11.2026
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AFM prefilters according to ISO 8573.1. Filtration capacity 0,1 µm, residual oil 0,1 mg/m³. AFM filters are used to remove coarse mechanical impurities from compressed air and heavier oil parts. Easy replacement of the filter insert in the pre-filter.

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Product detailed description

Industrial compressed air filtration ISO 8573-1 - AF

Omega Air does what you need

Our filter range offers solutions for small craftsmen as well as large industrial enterprises with continuous operation.

Omega Air can provide a solution that delivers the reliability, cost effectiveness and high quality compressed air that most operations require.

More than a set of parts

When you need a filter cartridge, a pressure indicator, a condensate drain or a fully equipped filter, work with us as we are fully familiar with compressed air product needs and offer a wide selection of optional accessories.

We are experts in product optimization systems, thanks to which our products contribute to a significant reduction in air system operating costs, increase the quality of the final products and reduce the risk of accidents.

Omega Air...Better air

Our technology, expertise and experience are applied in the AF series filters, which makes this filter series the best solution for achieving the best possible compressed air quality, regardless of the size of the installation.

Quality first

The quality of the products installed plays a key role in ensuring smooth and trouble-free operation and the proper functioning of production processes.

Constant supervision by a notified person, strict production control and 100% output control of our products are the key to achieving high quality in all our products.

AF industrial air filters

Quality and certification of AF air filtration

AF filtering properties

Application

Working pressure: 16 bar
  • general industrial applications
  • automotive industry
  • electronics manufacturing
  • food and beverages
  • chemical industry
  • petrochemical industry
  • plastics industry
  • paint shops
Flow rate at 7 bar : 60 - 2 760 m³/h
Connection : 3/8" - 3 "
Standard color : RAL 5012
Body material : aluminum
Air quality : ISO 8573-1
compressed air connection

Compressed air connection

Internal pipe threads are provided on the filter body for connection to the compressed air piping. For installing further equipment or connecting several filters of the same size, holes are prepared in the body that allow the filter to be mounted on a wall or on the compressor cabinet.

surface treatment of air filtration

Filter body surface finish

The main purpose of the surface treatment is to protect the surface of the filter body from corrosion. The anodising technique allows the surface to be protected in areas that are difficult to reach with conventional painting. Anodized surface can be supplied as an option, cataphoresis painting can be offered on request.

AF filter clogging indication

Sight glass in the bowl

A sight glass in the bowl allows easy inspection of the condensate accumulated in the lower part of the filter body. On each filter body casting, an area for mounting the sight glass is pre-prepared.

AF filtration installation kit

WS/WM - wall mounting kit

Mounting kits have been developed for easy mounting of the filter on a wall or other surface. Set includes 2 stainless steel brackets (mirror-image) and 6 self-tapping screws.

AF air filter connection kits

AK - connecting sets

The AK mounting kit is designed to connect two or more filters together. The design of the mounting kit is universal and can be used for any type of filters, including filters from some other world manufacturers with pressures up to 20 bar. The connecting piece is equipped with a mounting bracket for attachment to a wall or other surface.

Filtration stages according to ISO 8573-1

Sintered filter pre-filter pre-filter microfilter microfilter

Layers

  • sintered brass

Layers

  • stainless steel mesh
  • non-woven layer
  • acrylic fibers
  • stainless steel mesh

Layers

  • stainless steel mesh
  • non-woven layer
  • acrylic fibers
  • stainless steel mesh
  • foam layer

Layers

  • stainless steel mesh
  • non-woven layer
  • acrylic fibers
  • stainless steel mesh
  • foam layer

Layers

  • stainless steel mesh
  • non-woven layer
  • deep fiber layer
  • stainless steel mesh
  • foam layer

activated carbon

adsorption carbon

Catalytic carbon

molecular sieve

Everything for compressed air in one place 

Layers

  • stainless steel mesh
  • non-woven layer
  • activated carbon
  • fiber layer
  • stainless steel mesh

Layers

  • stainless steel mesh
  • activated carbon
  • non-woven layer
  • fiber layer
  • stainless steel mesh

Layers

  • stainless steel mesh
  • hopcalite
  • non-woven layer
  • fiber layer
  • stainless steel mesh

Layers

  • Stainless steel mesh
  • molecular sieve
  • non-woven layer
  • fiber layer
  • stainless steel mesh

Optional AF filtration accessories

Filter element clogging indication

Condensate drains from the filter

Technical data for AF air filtration

Technical data for AF air filtration

Filter element composition

AF filter certification AF filter certification AF filter certification

Additional parameters

Category: Omega Air industrial compressed air filters up to 50 bar
Version: Prefilter
Pressure: 16 bar
Filtration: 0.1 µm
Working temperature: +1.5 / +65°C
Flow: 8,500 l/min
Residual oil: <0,1 mg/m³
Quality class - oils: 2
Quality class - solid impurities: 2
In stock: External warehouse
The item has been sold out…

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Omega Air is a Slovenian manufacturer of compressed air treatment equipment based in Ljubljana. Founded in 1988, the company now has 370 employees and exports to more than 80 countries. It has its own development team and patents and carries out almost all production in its own facilities.

We mainly offer industrial filters up to 420 bar with replacement elements, stainless steel process and sterile filters, refrigeration, desiccant and membrane dryers, activated carbon columns, oil-water separators and condensate drains. They are used in workshops and large plants, in food, pharmaceuticals, chemicals and paint shops.

Omega Air AAF filter, IHP and WFIT stainless steel filters with elements, ADRY desiccant dryer and RDS refrigeration dryerSlovenian manufacturer
1988year the Slovenian company was founded
80+countries Omega Air exports to
420 barhighest pressure of CHP and IHP filters
0.01 µmmicrofilter and sterile element

Omega Air filters, dryers and separators

Omega Air AAF compressed air filter

Industrial filters up to 50 bar

Filters for standard air lines. AAF and BF ranges up to 16 bar, BFHP up to 25 bar and HF up to 50 bar. The element sets the filtration grade.

  • from coarse filter to activated carbon
  • G 1/8" to 3" thread or DN80 to DN300 flanges
  • AAFHT for hot air up to +120 °C
View filters
Omega Air IHP stainless steel high-pressure filter with element

CHP and IHP high-pressure filters

For 100, 250 and 420 bar. CHP housings are nickel-plated carbon steel, IHP housings stainless steel.

  • 8 sizes with G 1/4" to 2" thread
  • flow 667 to 11,917 l/min at 7 bar
  • six grades up to activated carbon
View filters
Omega Air HPF stainless steel process filter with element

Stainless steel process filters

1.4404 stainless steel for food and pharma. Six ranges up to 14 and 50 bar with thread, flanges or welding ends.

  • 12 filtration grades in each range
  • sterile element in the PF and HPF ranges
  • flow 1,250 to 352,000 l/min at 7 bar
View filters
Omega Air refrigeration dryer for compressed air

RDS refrigeration dryers

Dew point +3 °C for most plants. The air cools down in the dryer, water condenses and the drain removes it without losing air.

  • 18 sizes, 333 to 31,667 l/min
  • working pressure up to 16 bar
  • controller shows the dew point
View dryers
Omega Air ADRY desiccant dryer with inlet and outlet filter

ADRY desiccant dryers

Very dry air, dew point −40 °C. Moisture is captured by desiccant in two alternating columns.

  • 9 sizes, 6 to 200 Nm³/h
  • dew point −25 or −70 °C on request
  • inlet and outlet filter included
View dryers
Omega Air MADRY membrane dryer with filters

MADRY membrane dryers

They dry without electricity. Water vapour passes through the wall of hollow fibres, dry air stays inside.

  • 12 sizes, 50 to 3,000 l/min
  • dew point down to −40 °C, up to 12 bar
  • fine pre-filter and microfilter included
View dryers
Omega Air TAC activated carbon column

TAC activated carbon columns

They capture oil vapours that filters let through. The air flows through a bed of granular activated carbon.

  • outlet oil below 0.003 mg/m³
  • 19 sizes, 6 to 1,200 Nm³/h
  • up to 16 bar, high-pressure TACHP up to 420 bar
View columns
Omega Air WOS oil-water separators in four sizes

WOS oil-water separators

They separate oil from condensate. Oil stays in the polypropylene fibre and activated carbon fills, water flows out.

  • residual oil below 10 ppm
  • 4 sizes for compressors up to 35.5 m³/min
  • fills are replaced once a year
View separators

Not sure which filtration grades you need? The calculator in industrial filtration puts them together by application, pressure and flow, including condensate drainage.

Filtration calculator

Omega Air range side by side

Group, series, rating and use
GroupSeriesRatingUse
Industrial filtersAAF, AAFHT, BF, BFHP, HFup to 16, 25 and 50 barcompressed air lines, hot air up to +120 °C
High-pressure filtersCHP, IHP100, 250 and 420 barhigh-pressure lines
Stainless steel process filtersPF, HPF, WFIT, WFIF, WFIW, WHFITup to 14 and 50 barfood, pharmaceuticals, chemicals
Sterile filtersSF, SPFup to 10 and 14 barsterile air, they also retain bacteria
Filters for special applicationsAAFS, PPA, B-AIR, AAFO2, HFO2, P-VAC, M-VACup to 16 and 50 bar, vacuum from 20 mbarpaint shops, breathing air, oxygen, vacuum pumps
Cyclone separatorsAAFC, HFC, CHP, IHP, CS, SFHup to 16, 50 and 420 barliquid water and oil right after the compressor
Refrigeration dryersRDS, RDLup to 16 and 13 bardew point +3 and +5 °C
Desiccant dryersADRY, B-DRY, F-DRY4 to 16 bardew point −40 °C, −25 or −70 °C on request
Membrane dryersMADRYup to 12 bardew point down to −40 °C without electricity
Activated carbon columnsTACM, TAC, TACF, TACHPup to 16 bar, TACHP up to 420 baroil vapours, oil below 0.003 mg/m³
Oil-water separatorsWOS, WOSMcompressors up to 35.5 m³/minoil from condensate below 10 and 20 ppm
Condensate drainsMCD, AOK, TD, AD20up to 420 barmanual, float, timed and electronic

The manufacturer states filter and dryer flows at 7 bar. All sizes and grades are on the page of each group.

How to put compressed air treatment together

1. Define the quality

Choose the ISO 8573-1 purity class for the application: three numbers for solid particles, water and oil. A workshop needs 3:4:4, painting 1:4:1 and food in direct contact 1:2:1.

2. Order the grades

A separator or basic filter goes right after the compressor, followed by the dryer and the finer grades. Always place the 0.1 µm fine pre-filter before the 0.01 µm microfilter and activated carbon only after the microfilter.

3. Choose the size

Select the filter and dryer by compressor flow and line pressure. Flows are given at 7 bar; at lower pressure a filter passes less air.

4. Maintain

Replace elements once a year, sooner if the pressure drop rises. Remove condensate with a drain and replace the WOS separator fills once a year.

Frequently asked questions

What is the difference between a fine pre-filter and a microfilter?
A fine pre-filter captures particles down to 0.1 µm and oil to 0.1 mg/m³, a microfilter down to 0.01 µm and 0.01 mg/m³. The pre-filter always goes before the microfilter to protect its element.
How do I find a replacement element for an Omega Air filter?
The element has the same code as the filter with the letter V at the end: the AAFP-78 filter takes the AAFP-78V element. Most elements are replaced once a year, sooner if the indicator shows a higher pressure drop.
Which Omega Air dryer should I choose?
For workshops and most plants an RDS refrigeration dryer with a +3 °C dew point is enough. Very dry air or lines exposed to frost need an ADRY desiccant dryer with a −40 °C dew point. The MADRY membrane dryer needs no electricity and suits small flows right at the machine.
Where does an activated carbon column go?
After the dryer and a 0.01 µm microfilter, which captures oil droplets and aerosol. The column then removes oil vapours below 0.003 mg/m³. A 1 µm dust filter goes after it to catch dust from the carbon.
What is an oil-water separator for?
Condensate from an oil-lubricated compressor contains oil and must not go into the sewer untreated. The WOS separator captures the oil in its fills and water flows out with less than 10 ppm residual oil. The discharge limit is set by the local sewer regulations.
Which condensate drains does Omega Air make?
Manual MCD drains, float AOK drains that work without electricity, timed TD drains up to 420 bar and the electronic AD20. It senses the level with a capacitive sensor and drains condensate without losing air.

Most Omega Air product pages have a technical data sheet or drawing to download; AAF filters and ADRY and MADRY dryers also come with a manual in Czech. Omega Air is a brand of the Slovenian company OMEGA AIR d.o.o. Ljubljana.

Manufacturing company : OMEGA AIR d.o.o. Ljubljana
Address : Cesta Dolomitskega odreda 10, 1000 Ljubljana, Slovenia
E-mail : info@omega-air.si