Pad and Frame Air Filter (1 Frame and 6 Pads) - 12 1/2" x 20" x 1"Includes one Frame and PACK of 6 pads The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts. The permanent frame is constructed of space age plastics that are resistant to corrosion, oxidation and deterioration. Filtering inserts are anti microbial and are more efficient in capturing particles, such as dust, ragweed, pollen, etc., from the air stream, than standard fiberglass filters purchased at retail

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The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

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This is designed to fit into 1" Return Air Grilles

degrade and restrict air flow

Because we specialize in custom air filters

Includes one Frame and PACK of 6 pads

The permanent frame is constructed of space-age plastics that are resistant to corrosion

Filtering inserts are shipped in an easily stored packet

One way to overcome this problem is to increase the surface area of the filter media

and the greater the pressure drop it creates

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