The Rio Aqua 200 Powerhead has a flow rate of 138 gph.Connections: 1/2" ID hose fits outlet6 Watts Dimensions: 2.5" X 1.7" X 2.3"Must be fully submersedCan be used with wet-dry filters, venturi protein skimmers, undergravel filtering systems, ponds and fountains in both fresh and salt water6 foot power cord Performance charts (new window)