... solid-stated mercury, 38% less usage of glass and phosphor powder compared to T8 lamps. 5, Good Color ... light weight 10, CE, RoHS approvedHow to replace(use T8-T5 fixture) 1, turn off power supply 2, take ... away the T8 lamp 3, take away the starter 4, take ... away the rectify capacitor, if not, the power factor of the capacitor Will be reduced to 0 ...