Pad Refills (Pack of 6 Pads) - 21 1/4" x 23 1/2" x 1" Quantity:Default The "Practical Pleat" media is

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

PLEASE NOTE: Dimensions listed are HxWxD

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

Then Order custom air filters from us today

This is designed to fit into 1" Return Air Grilles

Pad Refills (Pack of 6 Pads) - 21 1/4" x 23 1/2" x 1" Quantity:Default The "Practical Pleat" media isPACK 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.