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

You never have to hassle with disposable filters that will end up in a landfill again

yet powerful solution for air stream disinfection or coil irradiation

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

You may know them as washable air or even permanent air filters

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.