The Rio 14HF HyperFlow Powerhead Flow rate is 840 gph.Max head: 10.0 feetConnections: 3/4" outputDimensions: 4.9" x 2.5" x 3.2"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