16x21x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack light enables up to 150 pounds

enables up to 150 pounds of grow equipment support when hung at intersecting points

We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and economy

this mix is intended to dry quickly and accept immediate feeding

Tested twice to ensure accuracy and viability

Inside Diameter Outside Diameter 0

16x21x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack light enables up to 150 poundsNordic 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.