12x27x1 Exact MERV 13 AC Furnace Filters 6 Pack control system CSA certified: Click here for

CSA certified: Click here for listing

even in high humidity

yeast extract

The fan system is enclosed in heavy-duty steel mounted on a cold rolled steel frame

essential nutrients for plant growth

12x27x1 Exact MERV 13 AC Furnace Filters 6 Pack control system CSA certified: Click here forNordic 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