Pad Refills (Pack of 6 Pads) - 21" x 23" x 1"PACK 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.

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

PACK of 6 pads for Pad and Frame Air Filters

built to last a lifetime

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

oxidation and deterioration

Either way

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

if not you can measure it or check the HVAC unit and the owner‰۪s manual

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

Unlike some permanent custom air filters

high quality Air Filters to you