Pad Refills (Pack of 6 Pads) - 19 1/2" x 21 1/2" 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.

To find the size the old unit should have sizing information printed on it

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

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

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

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

PLEASE NOTE: Dimensions listed are HxWxD

This design enables A+2000 custom air filters to maintain performance over the years

No screws need

They are constructed from 304 Stainless Steel material formed to exact specifications

if not you can measure it or check the HVAC unit and the owner‰۪s manual

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