20x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Controller The food-grade raw materials used

The food-grade raw materials used are free of heavy metals and are safe to use

Curved blade tips for ultimate cutting precision

Cultured and packaged to order

These trays are available in 4' and 8' center lengths

Easy-to-read screen and multiple display modes

20x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Controller The food-grade raw materials usedNordic 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.