The Silent Wavers are compact and powerful flow pumps which can be individually adjusted to a saltwater aquarium by means of different flow programs. The high quality 6-pole motors controlled by a wave controller guarantee smooth running and long life. The innovative Silent Wavers are equipped with an automatic self-cleaning system, a pause function for feeding and a wireless link, with which up to six Silent Wavers can be controlled simultaneously according to the master / slave method. With the individual flow programs, the Silent Waver can be optimally adapted to the flow requirements of the aquarium using the clock frequency and the speed controller.