The EcoGrower utilizes a spider-type drip method to keep six separate plant sites hydrated with oxygen-rich nutrient solution. The hexagonal shape of the EcoGrower also makes it easy to fit into most any space and is particularly beneficial when arranging multiple units together. Sold as a complete system, the EcoGrower includes: 17-gallon reservoir, plastic net cups, CocoTek liners, drip assembly, air pump, Hydroton growing medium, Flora nutrients, and insert lid with six 6-inch lid inserts. Measures 25 ?" across the top and 16 ?" tall.