Pad Refills (Pack of 6 Pads) - 18 1/2" x 18 1/2" x 1" Quantity:Default We look forward to delivering

We look forward to delivering our American-made

28X Increased Efficiency

Either way

Unlike some permanent custom air filters

A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter

Pad Refills (Pack of 6 Pads) - 18 1/2" x 18 1/2" x 1" Quantity:Default We look forward to deliveringPACK 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.