Johnson Pump 500 GPH Bilge Pump 3/4" Hose Dura Ports 12 Volts Compact, all-in-one motorimpeller unit. No tools needed for maintenance. Extremely energy efficient. Water-cooled motor for long service intervals. Meets the international standard, ISO 8849 marine. Capacity 3 ft (0.9 m) head (13.6 V) 33 lmin - 525 GPH. Capacity Straight 40 lmin - 630 GPH. Amerpage 2.5A. Fuse Size 5 A. Connection 34. Max Height 112 mm - 4.4 Weight 0.27 kg - 9.6 oz. Gallons Per Hour 500. Operation Non-Automatic. Outlet Size 34. Power - Max Continuous (Amps) 2.5 amps. Volts 12. Box Dimensions 4H x 6W x 8L. Weight 0.81 lbs.