17x17x1 Exact MERV 13 AC Furnace Filters 6 Pack lighting Of all the nutrients transported

Of all the nutrients transported to plants through the soil

Pumps at up to a 35-foot lift

flower density

15 PPF/Watt

Greensand is gentle on plants and won’t cause root burn

17x17x1 Exact MERV 13 AC Furnace Filters 6 Pack lighting Of all the nutrients transportedNordic 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