13x21x1 Exact MERV 13 AC Furnace Filters 6 Pack Nutrients and Supplements Active Air Inline Carbon Filters

Active Air Inline Carbon Filters are perfect for grow tents

Super easy to use

Twister T2 Tumbler Guide Assembly

120/240V dual receptacles

13x21x1 Exact MERV 13 AC Furnace Filters 6 Pack Nutrients and Supplements Active Air Inline Carbon FiltersNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200