... , 38% less usage of glass and phosphor powder compared to T8 lamps. 5, Good Color Rendering Index >80Ra6, ... light weight 10, CE, RoHS approvedHow to replace(use T8-T5 fixture) 1, turn off power supply 2, take ... conservation improvement and so on T5 integrative system To replace T8 tube To replace T10 ,T12 tubes 14W 18W 20W ... 58WT8, 35WT5 will save electricity by 48%. T5 TO T8 Converter 14W 21W 28W 35W