360°® Protection - 10oz *Case of 6*STA-BIL 360° Protection, America's #1 Ethanol Treatment, is engineered to combat the negative effects of ethanol-blended fuels. This industry-leading formula prevents corrosion, cleans the fuel system, and prevents the buildup of unwanted gum and varnish; ensuring your equipment will be ready to go whenever you need it. 1oz treats 5 gallons of gas. If using small engine equipment pour directly into your gas can. If adding to a vehicle it is best practice to add STA-BIL 360° Protection before adding fresh fuel at the pump. This product is designed to be added to the fuel as soon as you get it that way you know the fuel is fresh. This formula will also keep gas fresh for up to a year. Use throughout the season to make sure your engine runs top-notch year-round!Features:America’s #1 Ethanol TreatmentPrevents Corrosion Caused By Ethanol Blended FuelsIncreases Engine Power and Fuel EfficiencyEffective In All Gasoline, Including Ethanol and Non-EthanolEngineered For Year-Round Usage - Use At Every Fill-UpKeeps Fuel Fresh For Up To 12 Months