Pad Refills (Pack of 6 Pads) - 18 1/2" x 20 1/2" x 3/4" Quantity:Default than standard fiberglass filters purchased

than standard fiberglass filters purchased at retail outlets

Then simply add that information to our easy to use order form above

They are constructed from 304 Stainless Steel material formed to exact specifications

It is designed to inhibit growth of bacteria

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

Pad Refills (Pack of 6 Pads) - 18 1/2" x 20 1/2" x 3/4" Quantity:Default than standard fiberglass filters purchasedPACK 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.