21x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients This leads to the more

This leads to the more efficient use of nutrients

MERV 12 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 1500-1900

Urea-Free & Salt-Build-Up Free: Prevents salt accumulation

Can be wired for 120 or 240V

100% made in the USA

21x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients This leads to the moreNordic 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.