Product Details: The Howes Diesel Conditioner and Anti-Gel is the perfect solution for running your diesel engine smoothly and efficiently. It is used at a ratio of 1 oz. to 5 gallons of diesel fuel. It increases lubricity in injectors, pumps and upper cylinders, making it safe and effective in all diesel and biodiesel blends. This lubricator also eliminates smoking and rough idle, ensuring your engine runs smoothly and efficiently. FleetPride is your First Click in Heavy Duty®.