The Berryman 0116 B12 Chemtool Fuel Injector Cleaner is a 15 fluid ounce product designed to clean and optimize the performance of fuel injectors in automotive engines. This cleaner from Berryman is specifically formulated to remove buildup and deposits from fuel injectors, ensuring optimal fuel efficiency and engine performance. With its powerful formula and easy application, this product is a valuable tool for maintaining and improving the efficiency of your vehicle's engine.