Pad Refills (Pack of 6 Pads) - 20" x 24" x 1" Quantity:Default the more efficient a filter

the more efficient a filter is at removing particles

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

Includes one Frame and PACK of 6 pads

with each stage capturing progressively smaller particles inside the filter

Pad Refills (Pack of 6 Pads) - 20" x 24" x 1" Quantity:Default the more efficient a filterPACK 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.