Pad and Frame Air Filter (1 Frame and 6 Pads) - 18" x 36 7/8" x 3/4" Quantity:Default if not you can measure

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

Some of the other benefits of A+2000 custom air filters include the following

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

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

oxidation and deterioration

Pad and Frame Air Filter (1 Frame and 6 Pads) - 18" x 36 7/8" x 3/4" Quantity:Default if not you can measureIncludes 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