These submersible water pumps are great for everything from fountains to hydroponic systems. The pumps have an inside threaded fittings and the flow is non-Adjust-A-Wingble. Powerful oil-free, rare earth rotor magnet. Ceramic shaft and bearing insures reliability. Trouble free one moving part. Strainer protects impeller from damage. Comes with a 120 volt cord. Include inlet and outlet fittings. Pump measures 2 x 2 x 1.75 inches. 5.75 watts. 12v power cord measures 5.75 ft. Flow output is 75 GPH. Max pumping height is 2.5 feet. The outlet is a press on fitting. Included fittings: .25" Bardbed x Press On Threaded, .375" Barbed x Press On Threaded and .5" Barbed x Press On Threaded. Come with one year manufacturer warranty.