EXTREMELY POWERFULL system NARVA COLOURLUX T5 HQ HQ means HIGH OUTPUT. These lamps are characterized by high luminous flux. Therefore, it can be used in the new modern lighting applications or where high light intensity plays an important role. These lamps have the highest light output at 35°C. HQ fluorescent lamps are designed to operate only with electronic ballast and can be ideally used in system with motion sensors or dimmers and DALI systems just like all fluorescent lamps CLOURLUX NARVA and control their performance in dependence on the daylight and optimally affect electricity consumption. Fluorescent lamps LT-T5 series COLOURLUX plus have very good colour rendering (Ra> 82). Therefore, they are very suitable for lighting of the workplace but also they have also use in industry, workshops, shops, public services, offices and in private areas. The tubes are available in different tones of white.