Aprilaire 413 Air Filter (-13)

Aprilaire 413 Replacement Air Filters filter the air with -13 efficiency.  Can remove 90% of pollen/mold spores measuring 0.3 to 10 microns Removes 90% of dust particles measuring 1 to 3 microns Removes 76% of virus-size particles measuring 0.3 to 1 micron.  Each filter features Aprilaire's self-sealing no-leak technology for completely clean air.