17x22x1 MERV 12 Plus Carbon AC Furnace Filters 12 Pack bio soil ***There are ~3

***There are ~3

It securely holds the 4" FloraCap® allowing anyone to easily transition to the new PotPro™ System

to save space in the grow room

This controller also features low temperature protection in the event that achieving the desired humidity level results in an undesirable temperature

) before planting

17x22x1 MERV 12 Plus Carbon AC Furnace Filters 12 Pack bio soil ***There are ~3Nordic 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.