Pad Refills (Pack of 6 Pads) - 22 1/2" x 24 1/4" x 1" Quantity:Default built to last a lifetime

built to last a lifetime

so it can provide a lifetime of dependable service

the greater it's resistance to airflow

some just refer to them as electrostatic filters

than standard fiberglass filters purchased at retail outlets

Pad Refills (Pack of 6 Pads) - 22 1/2" x 24 1/4" x 1" Quantity:Default built to last a lifetimePACK 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.