Pad and Frame Air Filter (1 Frame and 6 Pads) - 21 1/2" x 21 3/4" x 3/4" Quantity:Default is the ideal solution for

is the ideal solution for healthier indoor environments for all homes and businesses

A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter

To order washable electrostatic custom air filters you just need to know the size of the current air filter

Instead of face loading (particles captured on the outer surface of the filter)

Can be ordered in packages of 2 each only

Pad and Frame Air Filter (1 Frame and 6 Pads) - 21 1/2" x 21 3/4" x 3/4" Quantity:Default is the ideal solution forIncludes 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