13x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_cg They remain as larvae for

They remain as larvae for up to 21 days

Heavy Duty but Not “Heavy”

the hand trimming process can take days

PPF             18 29 μmol/s

13x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_cg They remain as larvae forNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.