The GPI G20 Series Fuel transfer pump is the first gear pump to deliver TRUE 20 gpm. Delivering flow rates up to 20 gpm (76 L/min) in three available pump models, the G20 is the first pump in GPI's G series. Its new innovative design features simplified connection points that make attaching accessories fast and easy and its unique rotary gear design ensures long product life with minimal maintenance. The G20 is durable, manufactured from high-quality die-cast aluminum, easy to use and engineered to last, featuring a self-priming rotary gear design.