18_1/4x22x1 Exact MERV 13 AC Furnace Filters 6 Pack Aeromixer Synthetic Pro Edition Once up to three times

Once up to three times a week

• Reduce odors

Low profile design for lower clearance areas

Simple 1 button calibration for pH 7 and pH 4

18_1/4x22x1 Exact MERV 13 AC Furnace Filters 6 Pack Aeromixer Synthetic Pro Edition Once up to three timesNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200