fluorescent lamp fixture,use tri-phosphor powder tube and solid mecury,high efficiency, ... (PF>99%),low THD(<10%)4.Use tri-phosphor powder fluorescent lamp,more brightness,high efficiency5.No noise,no flicker,low ... saving up to 45%7.Installation:Ceiling mounting, series connectionApplication: House lighting, shopping mall,refrigeratory,show case,hotel,office etc fluorescent lamp fixture