Pad Refills (Pack of 6 Pads) - 21" x 23 1/4" x 1" Quantity:Default built to last a lifetime

built to last a lifetime

You may know them as washable air or even permanent air filters

Eliminates Filter Bypass

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

Then Order custom air filters from us today

Pad Refills (Pack of 6 Pads) - 21" x 23 1/4" x 1" Quantity:Default built to last a lifetimePACK 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.