... ,14w,21w,28w,35w,54w,49w 3.25000hrs 28w t5 fluorescent fixture Power: HE series:4w,6w,8w,13w,14w,21w,28w ... quality ballast,comply with 3CTUV-CE standard3.High Power Factor(PF>99%),low THD(<10%)4.Use tri-phosphor powder fluorescent lamp ... , shopping mall,refrigeratory,show case,hotel,office etc 28w t5 fluorescent fixture