Many clients who want to use LED T5 tube to replace exist CFL T5 tube directly, You know ,CFL T5 is small diameter with traditional ballast, Long time no manufactures who can provide perfect solutions on this demands, But PowLite completed it , through our engineer efforts, Now we can provide LED T5 tube with internal driver to replace CFL T5 tube directly, Same size, do not move ballast, easy to install, high efficiency ,no flicker.Want try please send us your Email today.