lighting fixture(2*28w) 1.Comply with TUV ... with reflector 4.High quality ballast,25000hr double fluorescent lighting fixture Power: 2*14w,2*28w,2*35w,2 ... low THD(<10%)4.Use tri-phosphor powder fluorescent lamp,more brightness,high efficiency5.No noise, ... :Ceiling mounting, series connectionApplication: House lighting, shopping mall,refrigeratory,show case,hotel,office etc lighting fixture(2*28w)