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Uni-Foam Air Filters | Universal Air Filter

High dust arrestance, low pressure drop washable media

Uni-Foam fan air filters are designed to provide high dust arrestance where a cleanable and reusable filter is required by medical equipment, electronics, computers, telcom, datacom and general-purpose equipment, Uni-Foam media can be used in a wide variety of indoor and outdoor applications.

The foam media can withstand exposure to moisture, if installed in outdoor environments. The cellular media structure acts as a mist eliminator to reduce water ingress caused by rainfall or water splash. Certain Uni-Foam air filter models are specifically designed for use in “limited-space” equipment.

Applications

Each uni-foam air filter model performs with a high degree of dust arrestance when installed in medical, electronics and computer equipment where cleanable and reusable filters are required. FF-2X, FF-3, FF-5, FF-5X filters have been specially designed for equipment where space is limited. Order an air filter prototype for your application today.

More Information

Unifoam Air Filters

Each foam air filter model performs with a high degree of dust arrestance when installed in medical, electronics and computer equipment where cleanable and reusable filters are required. FF-2X, FF-3, FF-5, FF-5X filters have been specially designed for equipment where space is limited. Order an air filter prototype for your application today.

Expanded on our specially designed Uni-Grid equipment, using .040″ thick, 3000 series aluminum. Uni-Grid expanded aluminum is approximately 85% open to lower resistance. Uni-Foam filters use Uni-Grid support on one side.

Framed Filters +/-.06″ length & width, +/-.03″ thickness, (REF) frame face flange width

Pad Filters +/-.12″ length & width, +/-.06″ thickness

Uni-Foam media is a polyurethane foam, with an open cell structure, available in various pores per inch (PPI) ranging from 10 through 60 PPI. The random arrangement of strands and pores make this a filter media with tremendous dust-holding capacity and arrestance. This media characteristic also helps serve as a mist eliminator for applications where water droplets are in the air stream. The Uni-Foam media used on all dual-action filters has a flame resistant additive, making it self-extinguishing. The Uni-Foam media is bonded to the Uni-Grid support, thus making it inseparable after assembly.

Unifoam filter media is available in all frame models in various pore sizes (10 through 80 PPI Black).

Model Uni-foam Media Thickness Frame Thickness 3D CAD Models
FF-2X .25 .23 Create & Download
FF-3 .25 .30 Create & Download
FF-5 .25 or .375 .43 Create & Download
FF-5X .375 or .50 .50 Create & Download
FF-1025-B .25 .88 Create & Download
FF-1050-B .50 .88 Create & Download
Window Pane .25 to 1.00 .19 to 1.00 Create & Download
Flex Frame .25 to 1.00 .062 Create & Download

UL 900

NEMA

IP

MIL-STD

FMVSS 302

Roll formed into a strong, sturdy one-piece channel, using 3000 series aluminum. Frame is tightly fitted to filter media and fastened with an aluminum rivet. The UL listing, model number and air flow direction are roll imprinted into the frame. Part number is metal stamped into frame for quick, accurate identification.

In addition to the standard roll formed frame design, more custom options are also available. The Windowpane filter design allows for a customized, aluminum “frame-n-pane” design that integrates the frame and a series of crossing, reinforcing intermediates that provide media support. The Flex-Frame filter allows for a customized, flexible polypropylene “frame-n-pane” design that integrates the frame and a series of crossing, reinforcing intermediates that provide media support.

Model Uni-foam Media Thickness Frame Thickness
FF-2X .25 .23
FF-3 .25 .30
FF-5 .25 or .375 .43
FF-5X .375 or .50 .50
FF-1025-B .25 .88
FF-1050-B .50 .88
Windowpane .25 to 1.00 .19 to 1.00
Flex-Frame .25 or 1.00 .62

Filtration Performance Data:

Uni-Foam

Uni-foam
Porosity Pores per Linear Inch (PPI) Initial Resistance*                    in. w.g. (Pascals) Average Synthetic Dust Weight Arrestance (%)* Initial Efficiency  MERV** Estimated Filter Class*** EN779
10 0.01                       (2.49) 38% 1 G1
25 0.05  12.44) 66% 2 G2
45 0.07 (17.42) 80% 7 G3
60 0.12 (29.86) 82% 7 G3
80 0.25 (62.21) 85% 8 G3
*Tests performed according to ASHRAE Standard 52.1-1992 at 300 feet per minute (1,53 m/s) face velocity
**Estimated MERV assumes initial fractional efficiency is minimum. MERV ratings <5 are determined by dust arrestance.
***Listed EN779 class is estimated by comparing UAF media performance (dust arrestance & initial resistance) to media that have received EN779 classification
Uni-foam
Porosity Pores per Linear Inch (PPI) Initial Resistance*                     in. w.g. (Pascals) Average Synthetic Dust Weight Arrestance (%)* Initial Efficiency  MERV** Estimated Filter Class*** EN779
10 0.03                       (7.47) 63% 1 G2
25 0.08 (19.91) 83% 4 G3
45 0.16 (39.81) 91% 7 G4
60 0.25 (62.21) 91% 8 G4
80 0.48 (119.44) 93% 8 G4
*Tests performed according to ASHRAE Standard 52.1-1992 at 300 feet per minute (1,53 m/s) face velocity
**Estimated MERV assumes initial fractional efficiency is minimum. MERV ratings <5 are determined by dust arrestance.
***Listed EN779 class is estimated by comparing UAF media performance (dust arrestance & initial resistance) to media that have received EN779 classification
Uni-foam
Porosity Pores per Linear Inch (PPI) Initial Resistance*                     in. w.g. (Pascals) Average Synthetic Dust Weight Arrestance (%)* Initial Efficiency  MERV** Estimated Filter Class*** EN779
45 0.04                       (9.95) 65% 2 G2
60 0.07 (17.42) 67% 2 G2
80 0.11 (27.37) 81% 4 G3
*Tests performed according to ASHRAE Standard 52.1-1992 at 300 feet per minute (1,53 m/s) face velocity
**Estimated MERV assumes initial fractional efficiency is minimum. MERV ratings <5 are determined by dust arrestance.
***Listed EN779 class is estimated by comparing UAF media performance (dust arrestance & initial resistance) to media that have received EN779 classification