OTC (7000A-12PK Pro Inject-R Kleen Fluid - 16 oz. Can, (Case of 12) Pro Inject-R Kleen Fluid Clean fuel injectors mean cleaner running, more efficient engines - and lower emissions This fluid restores injectors' original spray pattern, helps prevent recurring problems, and reduces intake and port deposits OTC Tools recommends it for all of canister-type cleaning devices No mixing; use right from the can; Pro Inject-R Kleen fluid; Case of 12, 16-oz. cans