Create your own customized waterflow pattern without the need for additional powerheads with the Customflow Water System. The Lifeguard Customflo Water System allows you to design one of an unlimited number of waterflow patterns to fit the needs of your individual tank system. A large variety of valve assemblies, suction cups, coupling brackets, pipe elbows, large and small pipes, and pipes with side holes help achieve your goal. Also included is 3 ft of 1/2" I.d. tubing and 3 ft of 3/16" i.d. air tubing.