17x17x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack lighting-systems/kits 5-inches - 100% USA Based

5-inches - 100% USA Based Warranty

Apply as a foliar spray

Allow it to air dry

Although there are small amounts of bat guano for microbial support

17x17x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack lighting-systems/kits 5-inches - 100% USA BasedNordic 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.