This industrial-duty 12-volt centrifugal wash-down/fill pump features: cast iron housing and stainless steel impeller construction, Buna mechanical seal and O-ring, four front drain plugs, high efficiency closed impeller, maximum working pressure of 150 PSI, maximum head of 80 ft. (35 PSI), the maximum flow of 56 GPM and a 1 HP 12-volt DC wash-down duty motor for severe operating conditions (1-hour duty rating). 1 1/4" inlet with 1" outlet. Includes a drain plug near bottom of pump.