Pad Refills (Pack of 6 Pads) - 23 3/4" x 23 3/4" x 1" Quantity:Default Unlike some permanent custom air

Unlike some permanent custom air filters

Filtering inserts are anti-microbial and are more efficient in capturing particles

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

degrade and restrict air flow

This is designed to fit into 1" Return Air Grilles

Pad Refills (Pack of 6 Pads) - 23 3/4" x 23 3/4" x 1" Quantity:Default Unlike some permanent custom airPACK 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.