... period No modifications to existing fixtures Simple installation T5 TO T8 Adapter replace T8 tube1.specification 14W 21W 28W 35W2.Body material Aliminum ... tube long life time 7, No flicker, near to natural light, good for eyes 8, No labour and no modification cost ... to the existing T8 light fixture 9, slim and light weight 10, CE, RoHS approvedHow to replace(use ...