Pad and Frame Air Filter (1 Frame and 6 Pads) - 12" x 20" x 3/4" Quantity:Default And there are no metal

And there are no metal parts that could lead to corrosion or oxidation within the filter

Filtering inserts are anti-microbial and are more efficient in capturing particles

with each stage capturing progressively smaller particles inside the filter

and the greater the pressure drop it creates

Then Order custom air filters from us today

Pad and Frame Air Filter (1 Frame and 6 Pads) - 12" x 20" x 3/4" Quantity:Default And there are no metalIncludes 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