Pad Refills (Pack of 6 Pads) - 17 1/4" x 29 1/4" x 1" Quantity:Default the "A+2000" brand Permanent Washable

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

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

PACK of 6 pads for Pad and Frame Air Filters

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

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

Pad Refills (Pack of 6 Pads) - 17 1/4" x 29 1/4" x 1" Quantity:Default the "A+2000" brand Permanent WashablePACK 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.