EQ700 - Was designed to look like a normal cabinet with a lock to control access to the plant being grown, the unit is controlled by a seven day timer and temperature controller and indicator that turns on the exhaust fan and a 2000 watt full spectrum LED light. The water level is monitored with three Led Lights in the front of the cabinet; green, yellow and red to allow for easy monitoring, if the water exceeds the low level limit the red LED lights up and an audible alarm sounds off to alert. The unit was designed to be able to easily add a carbon filter if desired. The grow tub is 20 gal. DWC uses a professional air pump with a 4" air stone; the unit uses a light fiber material that is water resistant and lightweight.