VEVOR 16 Gallon Fuel Caddy, 7.8 L/min, Portable Gas Storage Tank Container with Rubber Wheels, Gravity-flow Mode, Fuel Transfer Storage Tank for Gasoline Diesel Machine Oil Car Mowers Boat Motorcycle
So if it is gravity fed, does that imply the lowest point of the caddy must be higher than the receiving vehicle refill port? A video showing the set up and operation would be helpful to understand the concept.