Powerful 4.3 gpm (16.3 lpm) flow rate. Self priming to 10 ft. (3 m). Super quiet, diaphragm design allows dry running. Supplied complete with Pumpgard and trigger nozzle. Heavy-duty Motor with thermal overload protection. Four piston, diaphragm pump. High pressure jet blasts mud and silt from anchor chain and decks. Fuse 15 amp.