Product Details: The Radiator Specialties Chlorinated Carburetor Cleaner is a powerful and effective cleaner for carburetors and chokes. This 12.5-ounce cleaner is a mixture of potent solvents that quickly and effectively dissolve deposits on vents, links, butterflies and PCV systems. It is designed to improve performance and fuel economy by cleaning valves, chokes and carburetors. This cleaner is safe to use on oxygen sensors and catalytic converters, so you can be sure that your vehicle will remain in top condition. With this carburetor cleaner, you can be sure that your carburetor and choke will be clean and running smoothly. FleetPride is your First Click in Heavy Duty®.