Product Details: Equip your truck to be Ready for the Road Ahead™, with the Power Service Bio Kleen® Diesel Biocide, a crucial component for enhanced engine stability. With a specialized formula that protects against microbes such as bacteria and fungus, this fuel additive is the ideal solution to stabilize diesel and provide long-term stability. Once added, it helps eliminate deposits, while preventing corrosion in the fuel system. FleetPride is your First Click in Heavy Duty®.