Pad and Frame Air Filter (1 Frame and 6 Pads) - 18 1/2" x 21 7/8" x 2" Quantity:Default Simply cut a hole

Simply cut a hole

the A+2000 uses no foam that may clog

the A+2000 uses stage loading

oxidation and deterioration

Pad and Frame Air Filter (1 Frame and 6 Pads) - 18 1/2" x 21 7/8" x 2" Quantity:Default Simply cut a holeIncludes 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