... usage of glass and phosphor powder compared to T8 lamps.5, Good Color Rendering ... long life time7, No flicker, near to natural light,good for eyes8, No ... How to replace(use T8-T5 fixture) 1,turn off power supply2,take away the T8 lamp3,take away the starter4,take away ... the rectify capacitor,if not,the power factor of the capacitorWill be reduced to ...