ROA2 microflex® 979 300 ml 12 MF 97900300A, a cleaner for gasoline injectors. It releases the injectors from deposits formed because of fuel, e.g., carbon and resin deposits. It is optimally suitable for stubborn stains (e.g., when the mileage is > 40 000 km or if the injector has not been cleaned 4 years and more). The ROA2 cleaning technology with reactive organic amines directly effects the injector and helps avoid expensive injector replacement. ROA2 technology. More efficient cleaning formula based on the ROA2 technology. It detaches and removes all deposits from the injection system. It prevents repeated contamination. It perfectly removes deposits from all fuel gasoline mixtures. ROA2 level 2: It is optimally suitable for stubborn stains (e.g., when the mileage is > 40 000 km or if the injector has not been cleaned 4 years and more). Properties. It ensures even fuel injection, reduced fuel consumption as if on a new car. It improves combustion and reduces the volume of exhaust gases (Euro 6). Fuel is activated and works in the area of injection and the combustion chamber. It is suitable for all mixtures of gasoline (and ethanol). Application: For any internal-combusting engines with direct injection and spark ignition of the working mixture. For ensuring general fuel quality.