... ,14w,21w,28w,35w,54w,49w 3.25000hrs 28w t5 fluorescent fixture Power: HE series:4w,6w,8w,13w,14w,21w,28w ... (PF>99%),low THD(<10%)4.Use tri-phosphor powder fluorescent lamp,more brightness,high efficiency5.No noise,no flicker,low ... , shopping mall,refrigeratory,show case,hotel,office etc 28w t5 fluorescent fixture