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Add Years To Your Vehicles' Performance! It Blocks Rust and Corrosion above and below oil levels. It works: Bull Frog additives are a must for vehicles and tools that are stored for more than one month. Bull Frog additives contain high-performance VpCIs that stop rust and corrosion above and below fluid levels. Bull Frog's metal-seeking VpCIs migrate throughout oil systems to form an invisible 'Molecular Umbrella' of electrochemical inhibitors that seal all internal metal surfaces (above and below fluid levels) from the air and moisture that cause rust and corrosion. Protection lasts until oil is changed.
