13x20x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack king shredder Two separate set points can

Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg/L)

and blueberries

with three cells - this unit includes one cell

veg/bloom and seasonal programs

Vent ready for adding odor-eliminating fan and filtration system

13x20x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack king shredder Two separate set points canNordic 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.