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