Valvoline, 11 OZ, Extra Strength Starting Fluid, Formulated To Deliver Maximum Starting Strength, Ether & 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 & Air Filters, Low Flash Point Ignition, High BTU Content, Starting Power & An Upper Cylinder Lubricant For Protection, Cleans Fuel Injectors.