... 38% less usage of glass and phosphor powder compared to T8 lamps.5, Good Color Rendering Index6,Pre-heat ... for eyes8, No labour and no modification cost to the existing T8 light fixture9, slim and light weight10 ... , TUV, CE, RoHS approved How to replace(use T8-T5 fixture) 1,turn off power ... ,if not,the power factor of the capacitorWill be reduced to 0.55,install the T5 lamp tube what ...