HOT SHOT'S SECRET Diesel Extreme Fuel Injector Cleaner And Booster, 64oz-CS OF 6

With Improved Combustibility, You Can Reduce The Number Of Diesel Particulate Filter (Dpf) Regeneration Cycles Required. This 64-Ounce Engine Additive And Cleaner Can Treat 160 Gallons Of Diesel Fuel And Should Be Applied Every Six Months.