SHURFLO 12V Electric Bilge Pump 1000 GPH for Boat/RV - (355-100-00) FO-1747 Voltage: 12 VDC Dimensions: 4.2 x 3.75"" [114 x 95mm] Round Foot Print (Inches/Millimeters): 2-3/8 "" [86mm] Port Size Outlet: 1 1/8 [29mm] Flow Rate (Gallons/Liters): 1000 GPH [3785 LPH]