21x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Urea-Free & Salt-Build-Up Free: Prevents

Urea-Free & Salt-Build-Up Free: Prevents salt accumulation

• Large mammals

Can be wired for 120 or 240V

Maximize your yield while minimizing power consumption

top it with a 6 in FloraCap® and you are ready to hand feed

21x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Urea-Free & Salt-Build-Up Free: PreventsNordic 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.