17x22x1 MERV 12 Plus Carbon AC Furnace Filters 12 Pack Plant Support This optic is designed to

This optic is designed to retro-fit the standard optic on Pro Sun DE fixtures

Zero Residue – Leaves no chemical residue on crops

and Rosemary

is a renewable resource

pesticides and adjuvants

17x22x1 MERV 12 Plus Carbon AC Furnace Filters 12 Pack Plant Support This optic is designed toNordic 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.