Pad Refills (Pack of 6 Pads) - 20 1/8" x 24 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

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

We look forward to delivering our American-made

One way to overcome this problem is to increase the surface area of the filter media

Eliminates Filter Bypass

Pad Refills (Pack of 6 Pads) - 20 1/8" x 24 3/8" x 1" Quantity:Default Finally they are factory madePACK of 6 pads for Pad and Frame Air Filters 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 outlets. Filtering inserts are shipped in an easily stored packet.