21x21x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack food-&-water-storage Its powerful structure provides a

Its powerful structure provides a maximum amount of friction

Dual airflow direction

Pure and simple

Increases the size and mass of flowers and stimulates resinous oil and fragrance production in many culinary and medicinal herbs

21x21x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack food-&-water-storage Its powerful structure provides aNordic 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.