Pad Refills (Pack of 6 Pads) - 6" x 13 7/8" x 1" Quantity:Default And there are no metal

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

PACK of 6 pads for Pad and Frame Air Filters

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and long service life which reduces HVAC equipment maintenance and energy costs

Pad Refills (Pack of 6 Pads) - 6" x 13 7/8" x 1" Quantity:Default And there are no metalPACK 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.