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

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

these can be purchased in any conceivable size

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

In general

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.