LED glass T8 EZ Fit ballast compatible (bypass single end). Easy installation work with most existing T8, T12 fluorescent fixtures and electronic ballast simply remove the old CFL tube and pop in the new LED tube. Beam angle: 270°. Frosted lens with strong aluminum heat sinks. Mercury free and eco friendly. UL listed. Lifespan: 50,000 hours. Warranty: 5 years.