20x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 12 Pack extraction - Replacement parts included -1/4

- Replacement parts included -1/4 gallon per minute spray

exposing (the light green) cambium layer of the cutting’s stem

and instruction to introduce first plants into culture

750 CFM suction for a closer cut

20x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 12 Pack extraction - Replacement parts included -1/4Nordic 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.