High-performance cleaner and degreaser specifically formulated to remove oil, lubricants, grease, grime and other depositsFormulated to clean K&N Filtercharger air filter elementsDissolves dirt buildup and old filter oil washes away with waterBiodegradable safe on paint, plastic, cast aluminum and rubberInstructions includedMade in the U.S.A.Do not use on polished or anodized aluminum