8x14x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack Grow Tents BIG MAMA is solid rockwool

BIG MAMA is solid rockwool and does not have a precut hole thus making it suitable to hold any size smaller block on top (even a Hugo)

Comes with built in power cord

It can be used with the PotPro System

Treats up to 68 plants

Why use Solid Start

8x14x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack Grow Tents BIG MAMA is solid rockwoolNordic 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.