These lightweight, portable pumps, with self-priming, siphon-like action, can be used to empty waterbeds, drain water heaters or aquariums, pump out a basement, transfer water to an RV, pump boat bilges, pump out stock tanks, and in just about any other application where water needs to be transferred. It is designed for water, but is not submersible. It is self-priming to 7 ft. if the impeller is initially wet (primed). A carrying handle is included. Unit is NOT RECOMMENDED for use with soap detergents, gasoline, waste oil, fuel oil, flammable, explosive or combustible liquids or other fluids not compatible with pump component materials.