The General Hydroponics GH4830 PowerGrower Eco complete hydroponic drip system replaces the older model PowerGrower. The unique hexagonal design enables the user to pack many units together with close spacing for large installations. It is fully compatible with controller systems and will grow small, medium, and large plants. The PowerGrower complete system includes everything you need to get started: 5.7-gallon reservoir, 3-gallon growing chamber, pumping column, column support tube, drip ring, 1/2-inch grommet, drain level tube, air pump, 9-liter bag of Hydroton rocks, and 3-part Flora series nutrients. Boost your hydroponic system with the PowerGrower Eco!