Minerva， accu flow heavy duty replacement spout， easy & adjustable flow rate from fuel can to engine， 1 touch venting to allow reduction of built up pressure prior to fueling for user safety， strong & durable plastic design & rubberized grips make it easy to use & strong enough to balance some of the weight， a thumb slide lever is intuitive to use & controls the flow from a trickle to 3 gpm or more， may be used with any scepter fuel can for simple， fast & easy fuel transfer.