US$ 13.88
Simply cut a hole
Instead of face loading (particles captured on the outer surface of the filter)
the greater it's resistance to airflow
It is designed to inhibit growth of bacteria
oxidation and deterioration
Pad Refills (Pack of 6 Pads) - 20 1/4" x 21 3/4" x 1" Quantity:Default Simply cut a holePACK 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.
US$ 13.88
US$ 10.00
US$ 49.95
US$ 48.88