VEVOR Bilge Pump, 3000GPH Automatic Submersible Boat Bilge Water Pump with Float Switch, 40 mm Outlet Diameter, Small Boat Bilge Pump, Marine Electric Bilge Pump for Boats, Ponds, Pools, BasementsProduct Features 3000 GPH High Flow Rate Our automatic bilge pump is equipped with a 3300 RPM high speed copper wire motor, an efficient drainage anti fouling impeller, and a 1. 6" 40 mm diameter outlet pipe. It can swiftly drain water up to 3000 GPH, reaching 18 ft 5. 5 m away! Automatic On Off When the brown wire is connected to your battery's positive pole (+), the boat bilge pump enters automatic on off mode. When the water level rises above the