21 1/2x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_hrg Volume: 204

Volume: 204

The Core covers a 3 ft x 3 ft flower footprint and a 4 ft x 4 ft veg footprint

and liquids from soaking and staining

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growth chambers

21 1/2x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_hrg Volume: 204Nordic 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.