Fits: Universal Opti-Lube is the ultimate in performance diesel fuel additives Boosting Cetane is just the beginning, this product also improves efficiency, cleans injectors and lubricates fuel. Opti-Lube products protect your equipment by providing exceptional lubrication in the fuel system. Features: Maximum Cetane Boost Enhanced Lubricity for Reduced Fuel System Wear Improved Fuel Economy Increased Power Reduced Deposits Reduced Emissions Prevents Rust & Corrosion Cleans Injectors Improved Storage Stability (More than doubles storage life of diesel fuel) Improved Water Separation Includes: 1 x Gallon of Opti-Lube BOOST Formula Notes: Formula Treatment Rates: Premium Treatment Rate (higher lubrication and cetane): 1 to 1280 (1 ounce per 10 gallons of diesel fuel) Minimum Treatment Rate: 1 to 2560 (1 ounce per 20 gallons of diesel fuel) 1 8 pack of 4oz bottles treats 320 - 640 gallons of diesel fuel 1 6 pack of 8oz bottles treats 480 - 960 gallons of diesel fuel 1 quart treats 320 - 640 gallons of diesel fuel 1 gallon treats 1280 - 2560 gallons of diesel fuel 5 gallon pail treats 6,400 - 12,800 gallons of diesel fuel 55 gallon drum treats 70,400 - 140,800 gallons of diesel fuel