17x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack Cloning & Seed Starting Duct length is 25 ft

Duct length is 25 ft and includes 4 zip ties per bag

Benefits of Avenger Weed Killer:

with a non-stick interior that cleans quickly and easily

CO2 Range:                                         0-2000 PPM

17x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack Cloning & Seed Starting Duct length is 25 ftNordic 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.