17x19x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack misc The WCS-1 water content sensor

The WCS-1 water content sensor allows the user to monitor the % of water / nutrients within the growing medium

The larger layouts provide frustration free maneuvering

Pro-Gro Kits include:

this goes for your air conditioning system too

SupremeAir Australian Carbon Filter 8'' x 24''

17x19x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack misc The WCS-1 water content sensorNordic 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.