21x22x1 Exact MERV 7 AC Furnace Filters 6 Pack Air Filter With six spectral options and

With six spectral options and a slim

down to 1 inch

and easier than any traditional hydroponic system

highly efficient and absolutely reliable

21x22x1 Exact MERV 7 AC Furnace Filters 6 Pack Air Filter With six spectral options andNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters