Pad Refills (Pack of 6 Pads) - 28 3/4" x 33 3/4" x 2" Quantity:Default Then simply add that information

Then simply add that information to our easy to use order form above

This is designed to fit into 1" Return Air Grilles

Either way

some just refer to them as electrostatic filters

It is designed to inhibit growth of bacteria

Pad Refills (Pack of 6 Pads) - 28 3/4" x 33 3/4" x 2" Quantity:Default Then simply add that informationPACK 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.