Pad Refills (Pack of 6 Pads) - 18" x 36" 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

such as dust

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

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

You may know them as washable air or even permanent air filters

Pad Refills (Pack of 6 Pads) - 18" x 36" 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.