T5 Grid Ceiling Fixture 3*14W 1,cold-rolled steel sheets 2,with ... reflector 3,T5 tri-phosphor tube T5 Grid Ceiling Fixture 3*14W Product Feature:- The lamp design is modern and simple,and with ... .98, THD<15%, Life = 20,000 hours, CE Certified;Normal High Standard Ballast, PF≥0.95, THD<30%, Life = 15,000 ...