Pad Refills (Pack of 6 Pads) - 16 5/8" x 21 1/4" x 3/4" Quantity:Default Because we specialize in custom

Because we specialize in custom air filters

You never have to hassle with disposable filters that will end up in a landfill again

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

the greater it's resistance to airflow

And there are no metal parts that could lead to corrosion or oxidation within the filter

Pad Refills (Pack of 6 Pads) - 16 5/8" x 21 1/4" x 3/4" Quantity:Default Because we specialize in customPACK 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.