21 1/2x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES RH max 95%

RH max 95%

trace elements and silica — the boost your plants need during heavy flowering

funkalicious blooms and fruit

This leads to the more efficient use of nutrients

and other places where flies are a nuisance

21 1/2x26x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES RH max 95%Nordic 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.