1Using ceramics shaft, wear resistant, universal using of sea water and fresh water. 2High efficiency and energy saving, safe and mute. 3Fully enclosed impeller design, low water loss, high energy efficiency, large flow, high head and low attenuation. 4Enclosed impeller and shock-proof non-slip foot pad, reduces friction noise and small vibration fluctuation. 5All copper high quality motor for the pump to provide strong and powerful with permanent magnet rotor and unique design impeller, strong suction,360 round suction.