High-performance and easy-to-install bilge pump. The patented impeller forces air bubbles trapped in the hose and underside of thepump out of the pipework, so that the pump will not run dry and burn out. In addition, an integrated non-return valve prevents water from flowingback into the bilge. Thanks to the innovative design, maintenance can be done with just one hand, is the easiest manual bilge pump to installand service. Through a snap-on opening, the pump can be inspected and cleaned if necessary.