... mercury, 38% less usage of glass and phosphor powder compared to T8 lamps. 5, Good Color Rendering Index >80Ra6, Pre-heat ... our daily life such asShopping, supermarket, school, factory, hostpial, post office, store, house, project energy conservation improvement and so on T5 ... integrative system To replace T8 tube To replace T10 ,T12 tubes 14W 18W 20W 21W ...