Pad Refills (Pack of 6 Pads) - 19 3/4" x 25" x 1" Quantity:Default Unlike some permanent custom air

Unlike some permanent custom air filters

This design enables A+2000 custom air filters to maintain performance over the years

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

built to last a lifetime

Pad Refills (Pack of 6 Pads) - 19 3/4" x 25" x 1" Quantity:Default Unlike some permanent custom airPACK of 6 pads for Pad and Frame Air Filters 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 outlets. Filtering inserts are shipped in an easily stored packet.