T5 dual tubes lamp fitting High efficient, t5 tri-phosphor light, save energy by 80% comparing with regular T8 T5 dual tubes lamp fitting ... Advantages: A T5 dual tube fixture is designed to produce more lumen output to meet the requirement of high lux, which enables ... , THD≤15%, Life = 20,000 hours, TUV CE Certified;Ø Normal High Standard Ballast, PF≥0.95, THD≤30%, Life = 15,000 ...