Pad Refills (Pack of 6 Pads) - 14" x 21" x 3/4" Quantity:Default and long service life which

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

oxidation and deterioration

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

so it can provide a lifetime of dependable service

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

Pad Refills (Pack of 6 Pads) - 14" x 21" x 3/4" Quantity:Default and long service life whichPACK 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.