Pad Refills (Pack of 6 Pads) - 16 1/2" x 21 1/2" x 1" Quantity:Default degrade and restrict air flow

degrade and restrict air flow

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

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

This is designed to fit into 1" Return Air Grilles

Pad Refills (Pack of 6 Pads) - 16 1/2" x 21 1/2" x 1" Quantity:Default degrade and restrict air flowPACK 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.