Item Type: Self Priming impeller bilge pump Material: Brass, Stainless Steel, Rubber Flow: 23LPM 6GPM Pump Port Aperture: 20mm Motor Mode: Permanent Magnet Motor 1Convenient Manipulation: The self priming impeller bilge pump is a positive displacement pump, which means it is easy and convenient for people to control the pump in any direction. 2Widely Used: The self priming impeller bilge pump is commonly used in liquid discharge for boats, like discharging bilge water, washing decks, and draining sewage. The pump can also be used as a baitwell pump, flush pump, or for any bulk water transfer. 3Long Life Span: The high level permanent magnet motor, brass impeller, stainless steel shaft, and robust high performance rubber gears give the pump a long service span. They are corrosion resistance. 4Safe to Use: The self priming impeller bilge pump contains built in thermal protection. People do not need to be concerned about using it for an extended period of time, and they can use with confidence. 5Large Traffic: The self priming impeller bilge pump has a 6GPM volume, and the pomp is an ideal choice to install under the deck(not submerged) to evacuate cabin water.1 x Pump