Pad Refills (Pack of 6 Pads) - 17 3/4" x 29 3/4" x 1" Quantity:Default than standard fiberglass filters purchased

than standard fiberglass filters purchased at retail outlets

built to last a lifetime

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

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

insert the lamp and you‰۪re done

Pad Refills (Pack of 6 Pads) - 17 3/4" x 29 3/4" x 1" Quantity:Default than standard fiberglass filters purchasedPACK 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.