Pad Refills (Pack of 6 Pads) - 19 1/4" x 23 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

such as dust

the A+2000 uses stage loading

One way to overcome this problem is to increase the surface area of the filter media

Eliminates Filter Bypass

Pad Refills (Pack of 6 Pads) - 19 1/4" x 23 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.