Pad and Frame Air Filter (1 Frame and 6 Pads) - 17 1/2" x 17 1/2" x 1" Quantity:Default the greater it's resistance to

the greater it's resistance to airflow

than standard fiberglass filters purchased at retail outlets

We look forward to delivering our American-made

Filtering inserts are shipped in an easily stored packet

They are easy to install with custom air filters made to the sizes that you specify

Pad and Frame Air Filter (1 Frame and 6 Pads) - 17 1/2" x 17 1/2" x 1" Quantity:Default the greater it's resistance toIncludes one Frame and PACK of 6 pads The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts. The permanent frame is constructed of space age plastics that are resistant to corrosion, oxidation and deterioration. 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