... to existing fixtures Simple installation T5 TO T8 Adapter replace T8 tube1.specification 14W 21W 28W 35W2.Body ... No labour and no modification cost to the existing T8 light fixture 9, slim and 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, ...