... , , 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 ... 0. 035 kilowatt/hr electricity saving Comparing with 58WT8, 35WT5 will save electricity by 48%. T5 TO T8 Converter 14W 21W 28W 35W