... , 38% less usage of glass and phosphor powder compared to T8 lamps.5, Good Color Rendering Index6,Pre-heat function ... light,good for eyes8, No labour and no modification cost to the existing T8 light fixture9, slim and light weight10, ... then finich the installation. Application Shopping,supermarket,school,factory,hostpial,post office,store,house, project energy conservation improvement and so on T5 ...