Pad Refills (Pack of 6 Pads) - 19 3/4" x 19 3/4" x 3/4" Quantity:Default the A+2000 uses stage loading

the A+2000 uses stage loading

built to last a lifetime

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

Because we specialize in custom air filters

This is designed to fit into 1" Return Air Grilles

Pad Refills (Pack of 6 Pads) - 19 3/4" x 19 3/4" x 3/4" Quantity:Default the A+2000 uses stage loadingPACK 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.