740 GPH to 3170 GPHFor Saltwater & Freshwater AquariumsFor Submersed Use.The Maxspect Jump DC Centrifugal Pumps are affordable entry-level, controllable pumps. They work for a variety of applications and use sine-wave technology for near-silent operation. The four centrifugal pumps in the series deliver flow rates from 740 to 3,170 GPH. The included 4-button controller allows you to increase or decrease the pump speed, toggle between different pulsing flow modes, and idle the pump in feed mode. LED digital display.