Product Introduction: Aquarium Size: 300 L *1Pump Volume: 1150L/HR *2Filter Circulation: 780L/HR Filter Volume : 6.6 L Watt: 15W *3Head height: 1.75 m * 1: Displacement refers only to the output of the pump, not including connecting hoses, filters or other filters. * 2: Circulation into the water hose and water hose length is equal to the measured results. * 3: Head height continuously in the pump, a flow output in case the measured results.