21x23x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack reflective-and-greenhouse-films 6 mm-2mm cartridges

6 mm-2mm cartridges

The layout of the cutting reel maximizes blade surface area

Supports Terpene and Resin Production

Promotes robust root growth

and suffocate garden pests without the use of harsh synthetic chemicals

21x23x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack reflective-and-greenhouse-films 6 mm-2mm cartridgesNordic 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.