Pad Refills (Pack of 6 Pads) - 17 1/2" x 28 1/2" x 3/4" Quantity:Default In general

In general

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

28X Increased Efficiency

some just refer to them as electrostatic filters

We can make custom air filters in heights and widths ranking from 6 inches to 36 7/8 inches with increments in 8ths of an inch

Pad Refills (Pack of 6 Pads) - 17 1/2" x 28 1/2" x 3/4" Quantity:Default In generalPACK 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.