Itt Jabsco Oil Changer System 12VConsists of a robust self priming flexible impeller pump mounted to an easy to install base and coupled to a five port manifold, factory fitted with three full flow ball valves. This system includes a pump reversing switch to pump used oil out and new oil in, the cover includes a hinged valve cover to protect them from being accidentally opened, and the valve cover will not close after an oil change unless valves are securely closed. Complies with