The Modular RainForest 318 is ideal for propagating seedlings, cuttings and transplants, or it can be used for growing plants to maturity. Unit maximizes the amount of oxygen available to plant roots, facilitating fast and consistent growth in propagated plants. The Vortex Sprayer oxygenates the 17-gallon reservoir by stirring nutrients, then evenly distributes the solution to the root zone. The RainForest 318 also includes plastic net cups, CocoTek liners, expanded clay pellets, a three-part Flora Kit and six 3"lid inserts. RainForest 318 accommodates up to 18 small plants through maturity or up to 90 transplants. Measures 2' x 2' x 2'.