Metal halide lamps with quartz technology for enclosed luminaires. Product features: POWERSTAR© quartz technology. Light colors: neutral white (NDL), daylight (D). Product advantages: Long service life. E40 screw base for easy lamp handling. Thanks to the UV filter, the maximum permissible UV limit values according to IEC 61167 are significantly undercut. Areas of application: Industrial and commercial halls. Exhibition and trade fair halls. Sports and multi-purpose halls. Only approved for use in enclosed luminaires. Outdoor applications only in suitable luminaires.