... powder fluorescent lamp,more brightness,high efficiencyT5 ho light No noise,no flicker,low work temperature,low ... power consumptionT5 ho light Long lifetime,>8000hrs,energy saving up to 45 ... light Installation:Ceiling mounting, series connectionT5 ho light Application: House lighting, shopping mall,refrigeratory,show case,hotel,office etc T5 54W fluorescent tube light ...