Pad and Frame Air Filter (1 Frame and 6 Pads) - 12" x 30" x 1" Quantity:Default the greater it's resistance to

the greater it's resistance to airflow

PACK of 6 pads for Pad and Frame Air Filters

Instead of face loading (particles captured on the outer surface of the filter)

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

and the greater the pressure drop it creates

Pad and Frame Air Filter (1 Frame and 6 Pads) - 12" x 30" x 1" Quantity:Default the greater it's resistance toIncludes 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