All 4' bulbs had been used for under 2 years in a commercial application so they probably have 80-90% life left. They are all direct replacement and will work with most instant start T8 ballasts.
QR Code Link to This Post
(233) 14W 4000K frosted ARK/UB/14K $8.25/tube
(40) Sylvania 17W 5000K frosted LED17T8/L48/FG/850/SUB/G6 $6.00/tube