Description This Electronic Ballast is superior to the magnetic type. Some advantages: Increase lamp-ballast efficiency. Ballast will shut down if the lamp fails, or the lamp is disconnected. Built-in surge protection. Comes complete with all the necessary hardware & instructions. Revolution Ozone electronic ballast directly replaces Triple O Systems or Pure Water Systems old style (black) magnetic type ballast/starter assembly. ** Other voltages and cycles are available upon request.