... :10000HourT5 TO T8 adapter feature1, Energy saving 30%~45% than traditional T8, T10 tube. 2, Good quality with competitive ... 38% less usage of glass and phosphor powder compared to T8 lamps. 5, Good Color Rendering Index >80Ra6, ... improvement and so on T5 integrative system To replace T8 tube To replace T10 ,T12 tubes 14W 18W 20W ... , 35WT5 will save electricity by 48%. T5 TO T8 Converter 14W 21W 28W 35W