t5 electronic ballast 54w 1.Power:14w,21w,28w,35w,54w ... three years warranty 4.Complied with TUV t5 electronic ballast 54w electronic ballast Power: 14w,28w,35w,54w,2*14w,2* ... 28w,2*35w,2*54w electronic ballast Features: 1.electronic ballast High Power Factor(PF>95%,THD<30%) 2 ... temperature,low voltage start,no flicker 3.electronic ballast Protection for high voltage and high current 4.electronic ...