Ceramic Metal Halide
Metal halide lamps with a ceramic arc tube keep their colour and maintain brightness much longer than their quartz equivalents. NB: confusingly, their name has nothing to do with the ceramic base that some of these bulbs have!


Metal halide lamps with a ceramic arc tube keep their colour and maintain brightness much longer than their quartz equivalents. NB: confusingly, their name has nothing to do with the ceramic base that some of these bulbs have!