11 1/4x19 1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack food-&-water-storage Most rockwool is naturally alkaline

Most rockwool is naturally alkaline

True IP65 protection: Defends against water and dust

Features a collar on the backside to attach ducting to the mounted grille

it can shorten this period by one full week – allowing for one extra crop per year

11 1/4x19 1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack food-&-water-storage Most rockwool is naturally alkalineNordic 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.