Maximum operation in commercial and industrial environments. Polyester and self-extinguishing (ASTM-D635-74) plastic. Ballasts are CBM/ETL Class P certified suitable to 70°F. New contemporary-styled, clear acrylic, impact-resistant lens. Rotolock electrical components and fixture UL/cUL listed. IP65 certified and NSF listed, IP67 (4' only) with eight latches. Optional chain mount hanging set or snap-on brackets. Surface-mount fixture using two galvanized brackets. Internal fasteners and tethers provide maximum protection and rigidity