Pad Refills (Pack of 6 Pads) - 21 1/2" x 22 1/2" x 3/4"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

To learn more

please click HERE to read detailed brochure (Adobe Reader PDF file)

Some of the other benefits of A+2000 custom air filters include the following

In general

with each stage capturing progressively smaller particles inside the filter

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

Either way

some just refer to them as electrostatic filters

Filtering inserts are shipped in an easily stored packet

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

Unlike some permanent custom air filters