Diesel Treat 2000 Ultra Low Sulfur is an ashless, all-season fuel additive formulated for use with all types of diesel fuel, especially low sulfur and ultra low sulfur diesel fuels. Schaeffer’s Diesel Treat 2000 contains a highly concentrated, multi-functional additive package blended with Schaeffer’s patented SynShield® formula. This unique formula disperses existing injector clogging and plugging, and provides superior keep clean performance throughout the entire system. SynShield® surpasses industry standards for fuel lubricity and emissions and provides extra protection against fuel system wear and injector scoring. Schaeffer’s Diesel Treat 2000 Ultra Low Sulfur meets DW10 specifications.