13x21x1 Exact MERV 13 AC Furnace Filters 6 Pack Nutrients and Supplements which is why it must

which is why it must be run on an EYE HORTILUX ballast

000 Watt Double-ended Growing System PRO 240/277V 23½” x 16” x 7½” 14

Active Air Inline Carbon Filters are perfect for grow tents

Contact us before ordering if you’d like to confirm current lot dates

13x21x1 Exact MERV 13 AC Furnace Filters 6 Pack Nutrients and Supplements which is why it mustNordic 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