Pad Refills (Pack of 6 Pads) - 21 1/4" x 23 1/2" x 1" Quantity:Default Either way

Either way

Then Order custom air filters from us today

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

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

Pad Refills (Pack of 6 Pads) - 21 1/4" x 23 1/2" x 1" Quantity:Default Either wayPACK 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.