Biggest, baddest pump that Jabsco makes in 12 volts!  80PSI @ 7 GPM! This is a serious system. New in box, never installed it, my dock neighbor had one and was impressed enough to buy one, sold the boat and know is surplus. Retails at $450. Asking $250 + shipping from 75019. Pictures at:  http://s1235.photobucket.com/albums/ff434/justdoingit1/Jabsco%20Ultra%20Pump/