... start 4.25000hrs,2.5years warranty t8 to t5 adapter with reflector Specification:14W, 21W, 28W, 35W1, Energy ... can improve the lamp luminous flux from 90Lm/w to 110Lm/w , better brightness.7, With reflector ... ballast 2years warranty for standard quality9, Retrofitting T8 to T5 tube, direct plugged into the existing T8 ... fixture.10, No labour and no modification cost to the existing T8 light fixture.11, PC ...