FEATURES: 1、Apply to small pool,aquariums,seafood tanks,and fountain.IPX8 protection grade.Ultea compact,easy to restore. 2、Super silence. Electronic frequency conversion technology,energy saving up to 60% than before. 3、High-strength ceramic shaft and wear,long servicer life. Sprial propeller allows the dirt particlesize as long as 6mm. 4、No copper element,cultivate salt-water organisms safely.