Redex Petrol System Cleaner is a top-tier fuel additive expertly formulated to cut down emissions and rejuvenate your fuel system's efficiency. It is designed to work harmoniously with E10 fuel and the latest formula enhancement safeguards against the corrosive effects of E10 fuel. This means even if your vehicle isn't E10 compatible, you can confidently use Redex for safe and effective protection. This fuel additive protects against corrosion from E10 petrol. Used regularly, it cleans injector heads, reduces emissions, saves fuel and prolongs the life of your engine. It is safe to use with both E10 and E5 petrol. Cars made before 2011 may not be compatible with E10 petrol. Adding one shot to every full tank of E10 petrol will help prevent corrosion and prolong the life of your engine. Redex Petrol System cleaner also removes deposits that can build up on injector heads, saving you fuel, reducing emissions, and restoring performance. It is safe to use with both E10 and E5 petrol. Suitable for all petrol engines, including hybrids. Protects against corrosion from E10 petrol. Removes deposit build ups from injector heads. Reduces emissions. Saves fuel. Restore performance. Prolongs engine life. Contains 2 shots.