Pad Refills (Pack of 6 Pads) - 23" x 24 1/4" x 1" Quantity:Default The "Practical Pleat" contains over

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

these can be purchased in any conceivable size

Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

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

Pad Refills (Pack of 6 Pads) - 23" x 24 1/4" x 1" Quantity:Default The "Practical Pleat" contains overPACK 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.