The Rio 10HF HyperFlow Powerhead Flow rate is 660 gph.Max head: 7.5 feetConnections: 3/4" outputDimensions: 4.4" X 2.3" X 2.8"Titanium impeller shaft with ceramic bearingsFor freshwater and saltwater useComplete with mounting bracket and suction cups, strainer with sponge pre-filter and inlet and outlet adaptersMust be fully submersed