... 28w t5 lighting fixture lighting fixture Power: lighting fixture HE series:4w,6w,8w,13w,14w,21w,28w,35w lighting fixture HO series:24w,39w,54w,49wlighting fixture Features:1.lighting fixture ... standard3.lighting fixture High Power Factor(PF>99%),low THD(<10%)4.lighting fixture Use tri-phosphor powder fluorescent lamp,more brightness,high efficiency5.lighting fixture No ...