Introducing our high - performance fuel transfer pump! With a transfer efficiency of approximately 3.8 GPM, it can empty a 5 gal. fuel tank in just 30 seconds. The nozzle features a locking mechanism for continuous fuel delivery, enhancing user convenience. The electric siphon pump nozzle has an automatic stop sensor to prevent spills and leaks, and the fuel delivery pipeline with a reinforced rubber seal structure ensures stable connections. It supports 4 adapter sizes (2.0 in. 2.1 in. 2.75 in. and 3.75 in.), making it compatible with various fuel containers and suitable for gasoline, petroleum, and kerosene. Measuring 7 x 2.7 x 17 in. and weighing 1.68 lbs. it comes with a 51 in. extended, reinforced, corrosion - resistant hose. Whether for vehicles, ships, or outdoor use, this pump offers great flexibility and durability, making refueling tasks a breeze.