Berryman 0117 B-12 Chemtool Carburetor, Choke and Throttle Body Cleaner, Not VOC compliant in some 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 Not for use in VOC restricted states