Sylvania OCTRON 800 XP XL ECOLOGIC3 lamps feature extended Life benefits of up to 75,000 hours life on instant start ballasts and 84,000 hours life on programmed rapid start ballasts. The life ratings reflect up to 88% longer life than T8 XP or XV lamps, which is the equivalent of an additional 8 years of maintenance-free lighting for typical operating cycles of 4,000 hours per year. OCTRON 800 XP XL 32-Watt lamps deliver 14% more light than standard 700 series T8 lamp on normal ballast factor, instant start electronic ballasts.