Pad Refills (Pack of 6 Pads) - 21" x 23 1/4" x 1" Quantity:Default built to last a lifetime

built to last a lifetime

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This design enables A+2000 custom air filters to maintain performance over the years

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

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

Pad Refills (Pack of 6 Pads) - 21" x 23 1/4" x 1" Quantity:Default built to last a lifetimePACK 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.