Pad and Frame Air Filter (1 Frame and 6 Pads) - 22" x 24 1/2" x 3/4" Quantity:Default these can be purchased in

these can be purchased in any conceivable size

28X Increased Efficiency

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

some just refer to them as electrostatic filters

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

Pad and Frame Air Filter (1 Frame and 6 Pads) - 22" x 24 1/2" x 3/4" Quantity:Default these can be purchased inIncludes 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