Pad Refills (Pack of 6 Pads) - 19 3/4" x 19 3/4" x 1" Quantity:Default so it can provide a

so it can provide a lifetime of dependable service

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

Either way

Pad Refills (Pack of 6 Pads) - 19 3/4" x 19 3/4" x 1" Quantity:Default so it can provide aPACK 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.