Check the listing for details. Master IC-12 Super Concentrated Fuel Injector Cleaner 12 FL OZ, Nos. Condition: New, Made in United States. Listed at 4.50 USD. The Master IC-12 Super Concentrated Fuel Injector Cleaner is a high-quality product designed to effectively clean fuel injectors in vehicles. Made by the trusted brand Master in the United States, this 12 fl oz cleaner is super concentrated, making it a convenient and efficient solution for maintaining your vehicle's fuel system. The product is specifically designed to help improve engine performance and efficiency by ensuring the fuel injectors are clean and functioning properly. With its compact size and easy-to-use design, the Master IC-12 Super Concentrated Fuel Injector Cleaner is a must-have tool for automotive maintenance and repair.