Fluorescent lamps, 16mm rod shape, highly efficient, with G5 base. Product features: Light output: up to 104 lm/W. Very good luminous flux maintenance: 90% over the entire service life of the lamp. Long average life: up to 24,000 hours (with QUICKTRONIC© electronic ballast). Good color rendering level: 1B (Ra: 8089). Dimmable. Product advantages: Good economy and efficiency. Up to 20% more economical than LUMILUX© T8. Up to 50% less volume than comparable T8. Areas of application: Public buildings. Offices. Shops. Supermarkets and department stores. Industry. Outdoor applications only in suitable luminaires.