These versatile water pumps are perfect for returning water from sump filter systems and can be used either submersed in the water, or located in-line outside of the sump (less heat transfer). Highly energy efficient with silent operation, these dependable pumps will give years of operation. * Low energy, less heat transfer to water * Can be used submerged or in-line * Silent operation * Ceramic shaft, suitable for fresh or salt water * Threaded hose barbs for intake/outlet included * Optional screen prefilter intake 1046 Universal Hobby Pump Specifications: * Output GPH: 80 * Head Height: 4 ft. * Power Watt: 5W * Intake: 3/8" * Outlet: 1/2" * Dimensions: 4" x 5.8" x 3”