Pad Refills (Pack of 6 Pads) - 13 1/4" x 13 1/4" x 3/4" Quantity:Default This is designed to fit

This is designed to fit into 1" Return Air Grilles

Some of the other benefits of A+2000 custom air filters include the following

It is designed to inhibit growth of bacteria

the A+2000 uses stage loading

One way to overcome this problem is to increase the surface area of the filter media

Pad Refills (Pack of 6 Pads) - 13 1/4" x 13 1/4" x 3/4" Quantity:Default This is designed to fitPACK 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.