21 1/2x24x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hrg The PEI body with 7

The PEI body with 7

Far-Red radiation can indirectly increase growth

Increases oxygen and nutrient availability in growing media

Hydrologic's instant dechlorinator and sediment filter with upgraded KDF85/Catalytic Carbon filter

21 1/2x24x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hrg The PEI body with 7Nordic 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.