... quality balalst, 30000hr T5 light bracket T5 light bracket Power: 14w,28w,54wT5 light bracket Features:1.T5 light bracket Material:Aluminium body, nice ... Power Factor(PF>99%),low THD(<10%)4.T5 light bracket Use tri-phosphor powder fluorescent lamp,more brightness,high ... efficiency5.T5 light bracket No noise,no flicker,low work temperature,low power ...