Top quality, made by Putoline. E10 Fuel Fighter is a powerful fuel additive. Specifically developed to protect the fuel system against the harmful effects of E10 fuels, which can contain 10% bio-ethanol. E10 fuel fighter compensates for the adverse effects and prevents engine damage. The product has the following properties: Protects the fuel system against corrosion Improves the lubricating properties Reduces internal friction in the engine Reduces fuel comsumption Cleans injectors and valves: ensures optimum combustion. Instructions for use: Add 0.1% to the petrol (25ml for 25 liters of fuel) The special dosing item on the bottle helps you add the right quantity.