Valvoline, 11 OZ, Extra Strength Starting Fluid, Formulated To Deliver Maximum Starting Strength, Ether and Heptane Are Blended Together To Produce A Starting Fluid Which Has A Low Freezing Point, High Vapor Pressure Produces Vapor At Low Temperatures Which Passes Through Air Intake Systems and Air Filters, Low Flash Point Ignition, High BTU Content, Starting Power and An Upper Cylinder Lubricant For Protection, Cleans Fuel Injectors.