... º C Ta: 0- +50º C 6.lifetime :10000HourT5 TO T8 adapter feature1, Energy saving 30%~45% than traditional T8 ... , 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 ... 58WT8, 35WT5 will save electricity by 48%. T5 TO T8 Converter 14W 21W 28W 35W