Pad and Frame Air Filter (1 Frame and 6 Pads) - 19 3/4" x 20 1/2" x 1" Quantity:Default They are easy to install

They are easy to install with custom air filters made to the sizes that you specify

offers the quickest installation on the Planet

Because we specialize in custom air filters

Instead of face loading (particles captured on the outer surface of the filter)

And there are no metal parts that could lead to corrosion or oxidation within the filter

Pad and Frame Air Filter (1 Frame and 6 Pads) - 19 3/4" x 20 1/2" x 1" Quantity:Default They are easy to installIncludes 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