Carlube All In One Fuel System Cleaner For Petrol Engines is a premium fuel additive treatment, specially formulated to clean the complete fuel system and combustion chamber in just one application. Using revolutionary additive technology, one tratment provides significant clean-up of all severley fouled componets in the fuel system and in turn restores engine power back to its orginal performance. Directions for use: Add entire contents (300ml) to a full tank of Petrol. Treats up to 50 Litres. For best results, use every 3 months. Note: This product is not recommended for use in petrol that contains over 50% ethanol. Store in an upright position and secure when transported. Key Features: Cleans injectors, intakes valves, combustion chambers, piston tops and cylinder heads Restores lost power and acceleration Suitable for high mileage vehicles Improved drive-ability due to a reduction in surging, stumbling, hesitation, stalling and rough idling. About Carlube It all started in 1988 when Clifford Schofield, the father of cutting compounds, decided to expand Tetrosyl into the lubrication sector with his new brand Carlube. Within just 30 years of trading and more products added to The brand, Carlube has grown to become the largest independent oil manufacturer in the UK with all production taking place at our state-of-the-art manufacturing facility in the Northwest of England. Since the launch of Carlube"s first product in 1988, our Formula 1 Non-Spec Oil, we have evolved and grown to be capable of producing all the lubricant requirements from standard mineral oils right through to fully synthetic high performance racing oils. Here at Carlube we are prepared to meet ever-changing market demands whilst providing complete protection for the latest high performance and older generation cars, commercial vehicles, motorcycles, agricultural and industrial vehicles, and marine vessels.