Tubular fluorescent lamps 16mm, high output, with G5 base. Product features: Very good lumen maintenance: 90 % throughout the service lifetime of the lamp. Long average lifetime: up to 24,000 h (with QUICKTRONIC® ECG). Good color rendering group: 1B (Ra: 80…89). Dimmable. Product benefits: Excellent luminous flux. Up to 20 % more economical than LUMILUX® T8. Up to 50 % smaller volume than comparable T8 lamps. Areas of application: Industry. Public buildings. Offices. Tunnels, underpasses. Car parks. Outdoor applications only in suitable luminaires.