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,CCCSpecifications:--Housing: Rust proof aluminium housing with anodized finish processed.--Lamp cover:PMMA--Lampholder: VDE and UL--Ballast type: electronic ballast,120-277V or 347V--tubes: T5, T8 and LED--Mounting type: Suspension or ...