13x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control is 5” in diameter and

is 5” in diameter and 18 1/2″ in length

indoor grows

extremely good for plants at all stages from veg to bloom

This blend promotes strong

allowing for versatile placement in growing spaces with low ceilings

13x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack pest-and-disease-control is 5” in diameter andNordic 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.