Pad Refills (Pack of 6 Pads) - 7 1/2" x 7 1/2" x 3/4" Quantity:Default A higher MERV rating means

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

You may know them as washable air or even permanent air filters

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

Filtering inserts are shipped in an easily stored packet

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

Pad Refills (Pack of 6 Pads) - 7 1/2" x 7 1/2" x 3/4" Quantity:Default A higher MERV rating meansPACK 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.