Pad Refills (Pack of 6 Pads) - 20" x 21 1/2" x 1" Quantity:Default To find the size the

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

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

than standard fiberglass filters purchased at retail outlets

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

This design enables A+2000 custom air filters to maintain performance over the years

Pad Refills (Pack of 6 Pads) - 20" x 21 1/2" x 1" Quantity:Default To find the size thePACK 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.