Wynns Specialist E10 Protector Multi-Shot Ethanol Protection is designed for all petrol engines. This additive helps to protect your fuel system from the harmful effects of ethanol in E10 fuel. Regular use can help to maintain engine performance and efficiency. It is recommended to use one 50ml shot with each tank of fuel. Always check this product is correct for your vehicle before purchase. This product is genuine UK stock and shipped from the UK.