The Seachem Impulse pump is an amazingly versatile multi-function pump designed for use in a wide variety of freshwater and saltwater applications such as protein skimmers, sumps, indoor fountains, outdoor ponds, water-cooling and many more. The unit boasts a state of the art synchronous motor equipped with a wear resistant, self cleaning stainless steel impeller as well as a ceramic shaft and bearings to greatly improve the function and longevity of the pump itself. To touch more on the versatility of the Impulse pump, the unit has the ability to be used for both wet/submerged functions in addition to dry/inline processes to provide unmatched functionality for aquarium owners of every type. Easily adjustable flow rates offer greater control over the various functions of your aquarium equipment. Multi size hose adaptors and suction cups are included with the pump. Comes with a three-year manufacturer warranty with an additional two years if you sign up and register on Seachem.com.