【PARAMETERS】- 1-1/8 inch Dia Outlet, Flow Rate (GPH): 1100GPH; Volt: 12V; Current(A): 3.8A; Head(M): 3.0M 【DURABLE MOTOR】- Water cooled motors for long life, with anti airlock design and moisture tight seals.Heavy duty motors with stainless steel shafts and tough thermoplastic bodies. 【HIGH-QUALITY】- Automatic Bilge Pumps is built with compact, rust and corrosion protected stainless steel shaft, high-impact durable and thermoplastic ABS plastic housing. 【AUTOMATIC PUMP】- Built-in float switch! (Not need separate float switch), No power use until pump is activated by internal float switch (when water level rises). Pump turns on when water level rises & shuts off when water is removed. Snap-off strainer for easy cleaning. 【Application】- Enjoys a wide range of applications, such as small swimming pools, cistern replenishment, sewage sampling, liquid transfer, fountains and more, fit various industries including fish farming, environmental protection, ships, industry and agriculture, etc 12V 11000GPH Bilge Pump for Boats