Pad Refills (Pack of 6 Pads) - 20 1/8" x 23 1/8" x 3/4" Quantity:Default with each stage capturing progressively

with each stage capturing progressively smaller particles inside the filter

yet powerful solution for air stream disinfection or coil irradiation

than standard fiberglass filters purchased at retail outlets

They are easy to install with custom air filters made to the sizes that you specify

Filtering inserts are shipped in an easily stored packet

Pad Refills (Pack of 6 Pads) - 20 1/8" x 23 1/8" x 3/4" Quantity:Default with each stage capturing progressivelyPACK 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.