Pad Refills (Pack of 6 Pads) - 24 1/2" x 27 1/2" x 1" Quantity:Default the A+2000 uses stage loading

the A+2000 uses stage loading

the greater it's resistance to airflow

You never have to hassle with disposable filters that will end up in a landfill again

Instead of face loading (particles captured on the outer surface of the filter)

so it can provide a lifetime of dependable service

Pad Refills (Pack of 6 Pads) - 24 1/2" x 27 1/2" x 1" Quantity:Default the A+2000 uses stage loadingPACK 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.