Pad Refills (Pack of 6 Pads) - 18" x 36" x 3/4" Quantity:Default the A+2000 uses stage loading

the A+2000 uses stage loading

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

To order washable electrostatic custom air filters you just need to know the size of the current air filter

Unlike some permanent custom air filters

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Pad Refills (Pack of 6 Pads) - 18" x 36" x 3/4" 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.