Carbon X,  Removes exhaust deposits, fuel stains, oil and grease from the underside of fuselage, engine cowlings, wheel wells, etc. Dilutes 20 to 1; just spray on, let soak, then rinse clean-scrubbing is not necessary. Pleasantly scented and stainless, it leaves no oily film or residue. Safe to use on all aircraft finishes including exotic metals and composites. Also cleans driveways, motorcycles, boat and car engines. For use with dilution spray bottle. Meets Air Force Specification MIL-C-25769-E.