Pad Refills (Pack of 6 Pads) - 20" x 20 1/2" x 3/4" Quantity:Default from the air stream

from the air stream

To order washable electrostatic custom air filters you just need to know the size of the current air filter

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

we even have the odd sizes

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

Pad Refills (Pack of 6 Pads) - 20" x 20 1/2" x 3/4" 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.