Survival Device: This manual kayak bilge pump is used to evacuate water from inside your kayak or hatch to prevent cavitation or marking. A great piece of safety equipment to save you when you're in danger. Portable: Compact and lightweight, the kayak bilge pump is very easy to carry. The ergonomic handle is very easy to grip and eliminates unnecessary hand fatigue. Efficient: the double drainage system allows you to unload a maximum of 0.8 l with a pull and a push . The gear-shaped design can suck up more water quickly and effortlessly. Useful: The water outlet can connect to a 25mm diameter hose, which will allow you to to go farther from the pumped area. Large load-bearing: 1cm EVA outer cover is non-slip and can increase the floating ability, more convenient and useful, as well as safe.