Pad Refills (Pack of 6 Pads) - 17 1/4" x 17 1/4" x 1" Quantity:Default from the air stream

from the air stream

is an easy

Simply cut a hole

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

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

Pad Refills (Pack of 6 Pads) - 17 1/4" x 17 1/4" x 1" Quantity:Default from the air streamPACK 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.