13x25x1 MERV 7 Plus Carbon AC Furnace Filters 12 Pack Aeromixer Synthetic Pro Edition The GMC's enclosure features four

The GMC's enclosure features four separate power outlets used to connect external devices such as fans

Root Zone pH Measurement – The versatile Leap pH Probe allows for pH measurement directly in the root zone area as well as in solution

Installing it into a black & white poly plastic "wall" in a partitioned room

Earth worms

The FloraFlex® shut off valve also allows you to control the pressure of water and nutrients being delivered through the manifold to your plants

13x25x1 MERV 7 Plus Carbon AC Furnace Filters 12 Pack Aeromixer Synthetic Pro Edition The GMC's enclosure features fourNordic 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.