Metal halogen steam bulb reflector master cdm r111 philipsphilips mastercolour cdm r111 metal halogen steam bulbs with reflectoryour benefits high energy efficiency long lifespan compared to halogen bulbs wonderful merchandise presentation thanks to brilliant light with very good colour reproduction uv block for minimum risk of bleachingproduct design metal halogen steam bulbs with 111mm aluminium reflector simple to use through twist lock socket system low glare environment friend