It’s New! It Cleans! It Protects performance for up to a year. Bull Frog Electronic Cleaner & Corrosion Blocker removes the dirt, grit and corrosion that are continually attacking the performance and reliability of audio/video electronics and all electrical systems. Bull Frog Electronic Cleaner & Corrosion Blocker contains metal seeking VpCIs that clean, seal & protect any electrical or electronic connections with a self-repairing Molecular Umbrella.