Pad and Frame Air Filter (1 Frame and 6 Pads) - 20" x 25" x 1" Quantity:Default You may know them as

You may know them as washable air or even permanent air filters

Filtering inserts are anti-microbial and are more efficient in capturing particles

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

such as dust

Pad and Frame Air Filter (1 Frame and 6 Pads) - 20" x 25" x 1" Quantity:Default You may know them asIncludes 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