Pad and Frame Air Filter (1 Frame and 6 Pads) - 17 3/8" x 23 3/8" x 1" Quantity:Default Finally they are factory made

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

the greater it's resistance to airflow

To order washable electrostatic custom air filters you just need to know the size of the current air filter

the A+2000 uses stage loading

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

Pad and Frame Air Filter (1 Frame and 6 Pads) - 17 3/8" x 23 3/8" x 1" Quantity:Default Finally they are factory madeIncludes 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