28w t5 lighting fixture 1.Complied TUV-CE,RoHS 2.Power:8w,14w,21w, ... >99%,THD<10% 4.Warm start, 25000hrs 28w t5 lighting fixture lighting fixture Power: lighting fixture HE series:4w,6w,8w,13w,14w,21w ... %),low THD(<10%)4.lighting fixture Use tri-phosphor powder fluorescent lamp,more brightness,high efficiency5.lighting fixture No noise,no flicker,low ...