21x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack king 120° Beam Angle – Concentrates

120° Beam Angle – Concentrates light on the canopy for close-proximity cultivation

and secondary metabolite production

Works in both salt water and fresh water and has a heating range from 66°F to 90°F

Won’t crack or break

Great White is a premier mycorrhizal product

21x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack king 120° Beam Angle – ConcentratesNordic 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.