Pad Refills (Pack of 6 Pads) - 19 1/2" x 24 1/2" x 3/4" Quantity:Default The secret behind the A+2000‰۪s

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

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Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

They are easy to install with custom air filters made to the sizes that you specify

degrade and restrict air flow

Pad Refills (Pack of 6 Pads) - 19 1/2" x 24 1/2" x 3/4" Quantity:Default The secret behind the A+2000‰۪sPACK 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.