13x20x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack Grow Light Ballasts This offers the grower a

This offers the grower a lighter weight option than heavy bags of wet soil

The station comes with 1 sensor

light hydrocarbon solvent

(24) Neoprene Inserts (4 different colors)

The Checker Plus now offers automatic calibration to one or two points

13x20x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack Grow Light Ballasts This offers the grower aNordic 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.