Berryman 0117C B-12 Chemtool Carburetor, Choke and Throttle Body Cleaner, VOC compliant in all 50 states, 16 oz. Contains 100% high-energy solvent technology Quickly dissolves gum, varnish, fuel residue, and carbon build-up Cleans carburetors, linkages, choke, PCV valve, and throttle body Better vehicle drivability and fuel economy VOC compliant in all 50 states