... , , no noise, low work temperature, low power consumption 4, Good for environment use solid-stated mercury, 38% less usage of glass ... T5 tube long life time 7, No flicker, near to natural light, good for eyes 8, No labour and no modification cost ... energy conservation improvement and so on T5 integrative system To replace T8 tube To replace T10 ,T12 tubes 14W 18W 20W 21W 30W 30W ...