Well, that woudl be a flourescent tube lighting system. They use a *non-disposable* ballast, but it does need to be replaced every so many years. The thing is, while standard flourescent lighting systems are not pretty looking what with the gigantic bays and the ugly lenses, the technology has improved significantly from the old style. You have much better options available for eficincy, and color temeperature than in the past, the modern CFL is one form which shows this advancement in technology. But, now that LED light fixtures are getting into the market, that will open up the options even more.