Pad Refills (Pack of 6 Pads) - 14" x 18" x 1" Quantity:Default The permanent frame is constructed

The permanent frame is constructed of space-age plastics that are resistant to corrosion

Then simply add that information to our easy to use order form above

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

and long service life which reduces HVAC equipment maintenance and energy costs

This is designed to fit into 1" Return Air Grilles

Pad Refills (Pack of 6 Pads) - 14" x 18" x 1" Quantity:Default The permanent frame is constructedPACK 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.