Pad Refills (Pack of 6 Pads) - 16 5/8" x 21 1/4" x 3/4" Quantity:Default 28X Increased Efficiency

28X Increased Efficiency

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

such as dust

The permanent frame is constructed of space-age plastics that are resistant to corrosion

Filtering inserts are shipped in an easily stored packet

Pad Refills (Pack of 6 Pads) - 16 5/8" x 21 1/4" x 3/4" Quantity:Default 28X Increased EfficiencyPACK 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.