Seachem Impulse 400 PumpThe Impulse is a quiet, energy-efficient, multi-function pump. It is ideal for fresh and saltwater aquariums, protein skimmers, indoor fountains, water-cooling and all similar submersible and inline applications which require energy efficient, ultra quiet performance. The Impulse is equipped with a synchronous motor and an advanced impeller, ceramic shaft and bearings (stainless steel on the Impulse 400), and an adjustable flow rate. Multi-size hose adapter fittings and suction cups are included.Max Flow Rate400 GPH / 1.500 l/hWatts23 – (120 v – 60 Hz)23 – (230 v – 50 Hz)Amperes0.43 A / 0,17 AHead Max6 ft / 1,8 mCord Length7.5 ft / 2,28 mHose Connector1/2″ GAS / 15-20 mmImpeller ShaftStainless Steel