t5 electronic ballast 54w 1.Power:14w,21w,28w,35w,54w 2.PF>98%,THD<10% 3.30000hrs, three years warranty 4.Complied ... with TUV t5 electronic ballast 54w electronic ballast Power: 14w,28w,35w,54w,2*14w,2 ... ,low voltage start,no flicker 3.electronic ballast Protection for high voltage and high current 4.electronic ballast Comply with 3C,TUV-CE standard ...