Integrated pump and accumulator tank system. Compact design may be mounted vertically or horizontally. Can run dry without harm. FDA materials in pump and accumulator tank for drinking water. Self-priming up to 10 ft. Includes assorted ports for easy installation. Accumulator tank has total volume of 1.1 gallon Pressure shut off-40 psi. Size: 7.2″ H x 11.3″ W x 12.8″ D.