Pad Refills (Pack of 6 Pads) - 14" x 21" x 3/4" Quantity:Default oxidation and deterioration

oxidation and deterioration

built to last a lifetime

and long service life which reduces HVAC equipment maintenance and energy costs

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

degrade and restrict air flow

Pad Refills (Pack of 6 Pads) - 14" x 21" x 3/4" Quantity:Default oxidation and deteriorationPACK 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.