T5 retrofit fixture with earth wire PF>0.98,THD<15% Power:8w,14w,21w,28w,35w ... ballast,comply with 3C,CE standard;can pass EMC and RoHs.3.High quality:PF>0.99,THD<10%,Usual quality:PF>0.95 ... ,refrigeratory,show case,hotel,office etc T5 Batten fixture with high quality electronic ballast