Pad and Frame Air Filter (1 Frame and 6 Pads) - 17" x 21" x 1" Quantity:Default Can be ordered in packages

Can be ordered in packages of 2 each only

from the air stream

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

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

We look forward to delivering our American-made

Pad and Frame Air Filter (1 Frame and 6 Pads) - 17" x 21" x 1" Quantity:Default Can be ordered in packagesIncludes one Frame and PACK of 6 pads The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts. The permanent frame is constructed of space age plastics that are resistant to corrosion, oxidation and deterioration. 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