Pad Refills (Pack of 6 Pads) - 11 1/2" x 24 1/2" x 3/4" Quantity:Default They are constructed from 304

They are constructed from 304 Stainless Steel material formed to exact specifications

such as dust

Produces no ozone or aldehydes

Instead of face loading (particles captured on the outer surface of the filter)

Then Order custom air filters from us today

Pad Refills (Pack of 6 Pads) - 11 1/2" x 24 1/2" x 3/4" Quantity:Default They are constructed from 304PACK 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.