A combination of additives to clean and maintain the diesel fuel system. Prevents corrosion, increases lubrication thus reduces fuel pump and injector wear. Increases Cetane value for improved engine performance, easier starting and lower emissions. Regular use keeps the fuel system in perfect working order. Suitable for use in all diesel engines, with or without turbochargers. Safe for use with catalytic converters and particulate filters (DPF). For best results add Super Diesel Additive every 2,000 km (1,200 miles) to fuel. Contents (300 ml) is sufficient for 25–75 Liters (7 gal. to 20 gal.) fuel.