17x19x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack Ventilation/Air Conditioning Crystal Burst (0-15-15) + B1

Crystal Burst (0-15-15) + B1

5 for maximum nutrient absorbency

The flow rate is adjustable from -

Maximize your yields in a 4x4 grow tent with the HLG BlackBird — Horticulture Lighting Group's flagship Scorpion Series LED designed for serious home growers who demand professional-grade performance

molds and mildew (including powdery mildew)

17x19x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack Ventilation/Air Conditioning Crystal Burst (0-15-15) + B1Nordic 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.