Automatic Nozzles Used for gasoline and diesel fuel. Plastic coated hand lever and retaining pumps. Automatic Shut-off Fuel Nozzle - Used for gasoline and diesel fuel - Plastic coated hand lever and retaining pumps - Flow rate: 2-14GPM/8-50LPM- Inlet: 3/4" - Diameter of spout: 15/16" High Volume Automatic Nozzles