12x22x1 Exact MERV 7 Plus Carbon AC Furnace Filters 12 Pack food-&-water-storage The compensation coefficient and EC/TDS

The compensation coefficient and EC/TDS conversion factor are user-selectable from 0

Built with a proven packed bed design and pelletized virgin activated carbon

When a layer gets dirty

The microbes contained in SOS will promote stronger and faster root

Made of durable silicone rubber

12x22x1 Exact MERV 7 Plus Carbon AC Furnace Filters 12 Pack food-&-water-storage The compensation coefficient and EC/TDSNordic 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.