Overview A programmable controller combines with integrated powerheads to offer you a one-of-a-kind aquarium wave making system. Adjustable flow rates, direction and position help you tailor the system to your tank's needs. Improved circulation reduces stagnant spots and sends nutrients to your inverts. "Feed Mode" setting shuts off flow, easing feeding time. Mounts with suction cups. Connects to controller with power cord. Includes 2 x 18W pumps.