... t8 to t5 fluorescent light Specification:14W, 21W, 28W, 35W1, Energy saving 45% than traditional T8 , T10 tube.2, High quality with competitive ... five kinds of surface treatment or PC body4,With pure tri-phosphor fluorescent tube(high efficiency, longer life greater than 8000 ... 90Lm/w to 110Lm/w , better brightness.7, With reflector, the light efficiency can increase 17%~20%8, Electronic ballast 2years ...