Pad Refills (Pack of 6 Pads) - 23 1/4" x 23 1/4" x 3/4" Quantity:Default we even have the odd

we even have the odd sizes

This design enables A+2000 custom air filters to maintain performance over the years

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

Instead of face loading (particles captured on the outer surface of the filter)

The "Practical Pleat" contains over 500% greater surface area than a MERV 10 one-inch pleat

Pad Refills (Pack of 6 Pads) - 23 1/4" x 23 1/4" x 3/4" Quantity:Default we even have the oddPACK 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.