United Pump PG-12000 Pond Waterfall Fountain 3000 GPH Pump, Submersible or Inline, 25' cord 3100 gallon per hour Submersible or Inline Fountain, Waterfall or Pond pump. Asynchronous energy efficient motor for high volume output Inlet/Outlet 1-3/4" 110-120V AC 60Hz, Built-in thermal protector to prevent motor from overheating