G5 t5 fluorescent bulb master tl5 ho de luxe philipsadvantages allows for further system miniaturisation and maximum freedom in lamp design nearly constant light current throughout the lifespan particularly environment friendly through low mercury contentcharacteristics very good colour reproduction level 1a r90 maximum light current at 35c specially developed for operation with electronic ballasts guaranteed ignition from 15 to 50cusage for all applications by which very good