6x12x1 Exact MERV 13 AC Furnace Filters 6 Pack Grow Tents • Variable capacity - works

• Variable capacity - works with large or small amounts of dried harvest

or by broadcast or drop spreader

and nursery crops

since it does not include added plant nutrients

The Grow Flow System has everything you need to get started

6x12x1 Exact MERV 13 AC Furnace Filters 6 Pack Grow Tents • Variable capacity - worksNordic 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