OTC Tools & Equipment 7000A Pro Inject-R Kleen Fluid - Case of 12, 16 oz. Cans - 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. We recommend it for all of our canister-type cleaning devices. No mixing; use right from the can. No. 7000A Pro Inject-R Kleen fluid. Case of 12 16-oz. cans.