Impeller and volute plate are made from a urethane rubber to give a longer life than the traditional cast iron. Outlet designed so that it can be altered from vertical to horizontal (to stop that annoying kink in the hose). Complete with internal check valve and has to be primed if using in shallow water.
Twin mechanical seals, carbon ceramic and silicon carbide in a lubricated chamber. Complete with 10 metres of power cable. Can be used with electronic control for automatic operation.