The W-Series HEPA Standard and High Capacity wood frame HEPA filter use hemmed edge, aluminum separators wet laid glass fiber media efficiency of 99.97% – 99.99% on 0.3µm particle size. The high capacity contains 60% more media surface area in a given frame size therefore lower resistance and extended filter life. Built to withstand temperature levels up to 220°F for continuous use and can operate in 100% relative humidity.
Ball and socket sealed notched corner prevents air by-pass and all filters frames are sealed on each side with sold resin sealant providing structural rigidity.
- 3 pleats per inch – standard capacity
- 5 pleats per inch – high capacity
- The 99.99% filters are “scan” tested in accordance to IES-RP-CC001.3
- Fire retardant & standard woodboard frames with depths of 3-1/16′, 5-7/8″ & 11-1/2″