1.Fixture housing is made of Extruded aluminium 2.Oxidation process finish 3.Suit for T8,T5 and LED tube,UL,CUL listed Office lighting: Certificate: UL,CUL, CE,CCC Specifications: --Housing: Rust proof aluminium housing with anodized finish processed. --Louver:Matte or Specular Aluminium --Lampholder: VDE and UL --Ballast type: electronic ballast,120-277V or 347V --tubes: T5, T8 and LED -- ...