11 3/8x11 3/8x1 Exact MERV 12 AC Furnace Filters 12 Pack Synthetic Pro Edition depending on the usage rate

depending on the usage rate

purchase the Oakton device separately

Razor sharp 8-inch carbon steel straight edge hooked blade provides powerful cuts and for cutting stems

Simple two-point calibration process with 30-day calibration indicator

Made from OMRI Listed Worm Castings

11 3/8x11 3/8x1 Exact MERV 12 AC Furnace Filters 12 Pack Synthetic Pro Edition depending on the usage rateNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different