fluorescent lamp fixture,use tri-phosphor powder tube and ... lifetime; fluorecent lamp fixturePower: HE series:4w,6w,8w,13w,14w,21w,28w,35w HO series:24w,39w,54w,49wFeatures ... .Use tri-phosphor powder fluorescent lamp,more brightness,high efficiency5.No noise,no flicker,low work temperature,low power consumption6. ... lighting, shopping mall,refrigeratory,show case,hotel,office etc fluorescent lamp fixture