Pad Refills (Pack of 6 Pads) - 12" x 21 1/4" x 1" Quantity:Default these can be purchased in

these can be purchased in any conceivable size

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

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

if not you can measure it or check the HVAC unit and the owner‰۪s manual

so it can provide a lifetime of dependable service

Pad Refills (Pack of 6 Pads) - 12" x 21 1/4" x 1" Quantity:Default these can be purchased inPACK 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.