Seals, lubricates and preserves metal surfaces against oxidation and contamination. USE ON: Clean/new surfaces or those cleaned with DeoxIt. PreservIT contains no cleaners or deoxidizers. It provides long lasting protection for newly manufactured components or those cleaned by ultrasonics, DeoxIT® or other procedures. Provides a light (5%) coating. 200 ml(5oz), adjustable valve, no CFC's or HCFC's.