1x 14W OSRAM T5 Fluorescent Tube Strip Light Bulb Brand New 2 Pin T5 G5 fitting 2700K Warm White These tubes are dimmable These bulbs are approximately 563mm (549mm excluding pins), by 16mm wide. Good economy and efficiency Up to 50% smaller volume than comparable t8 lamps Natural colours Dimmable Up to 20% more economical than lumilux t8