Pad and Frame Air Filter (1 Frame and 6 Pads) - 21" x 22 1/2" x 1"Includes one Frame and PACK of 6 pads The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts. The permanent frame is constructed of space age plastics that are resistant to corrosion, oxidation and deterioration. 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

these can be purchased in any conceivable size

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

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

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

so it can provide a lifetime of dependable service

such as dust

We can make custom air filters in heights and widths ranking from 6 inches to 36 7/8 inches with increments in 8ths of an inch

we even have the odd sizes

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

degrade and restrict air flow

Eliminates Filter Bypass

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