Pad Refills (Pack of 6 Pads) - 20" x 21 1/4" 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.

Filtering inserts are anti-microbial and are more efficient in capturing particles

PACK of 6 pads for Pad and Frame Air Filters

than standard fiberglass filters purchased at retail outlets

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

with each stage capturing progressively smaller particles inside the filter

such as dust

28X Increased Efficiency

You may know them as washable air or even permanent air filters

degrade and restrict air flow

the A+2000 uses stage loading

some just refer to them as electrostatic filters

Unlike some permanent custom air filters