PreservIT seals, lubricates and preserves metal surfaces against oxidation and contamination. USE ON: clean/new surfaces or those precleaned 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.PreservIT P5 SPRAY - Provides a light (5%) coating of PreservIT liquid.Part No. P5S-6, 5 oz. (142 g), adjustable valve, no CFC's/HCFC's.PreservIT PN5 SPRAY - Provides a light (5%) coating of PreservIT liquid.Part No. PN5S-6, 5.5 oz. (156 g), fast evaporating, non-flammable, adjustable valve. No CFC's."We have been using CAIG products for many years on our automated teller machines to help ensure reliable performance."- Diebold, Incorporated"We were having trouble with edge connectors in our manufacturing environment until we tried ProGold Wipes . . . great product."- J. Porter, General Electric"The ProGold works great. I used it on some old tube equipment and it eliminated a loud hum that I thought was something more serious.