Pad and Frame Air Filter (1 Frame and 6 Pads) - 21" x 22" x 2" Quantity:Default The "Practical Pleat" media is

The "Practical Pleat" media is up to 28 times more effective at capturing particles than standard fiberglass panel filters

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

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

Produces no ozone or aldehydes

Pad and Frame Air Filter (1 Frame and 6 Pads) - 21" x 22" x 2" Quantity:Default The "Practical Pleat" media isIncludes 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