Pad Refills (Pack of 6 Pads) - 21 1/4" x 23 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.

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

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

åÊWe look forward to delivering our American-made

Our 304 Stainless Steel Grease Baffle filters are designed to hold up through the toughest conditions

than standard fiberglass filters purchased at retail outlets

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

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

Keeps HVAC system cleaner and more efficient

The SpeedLight uses powerful magnets to hold the mounting plate in place

One way to overcome this problem is to increase the surface area of the filter media

and the greater the pressure drop it creates

the A+2000 uses no foam that may clog