70 PSI, 5.3 GPM, 5-Chamber Diaphragm, 12v, 6 AmpsSelf-priming, 12V diaphragm pump with sealed, pressure switch control and vibration dampening polymer isolating mounting base. These pumps are ideal for cleaning leisure boats, fish boxes, anchor chains and dinghies. Suitable for fresh and salt water. All models include filter and fittings.