Good flow rate, continuously rated pump. Self priming up to 4', allows mounting above wet bilges. Shower debris presents no problem to this bronze bodied, flexible impeller design. Complies with USCG 183.410 and ISO 8846 Marine (ignition protection) and ISO 8849 Marine (bilge pump standard). Connections for 1/2" male threaded fittings, and for 1" ID hose. 12 volt DC.