Housing: Die-formed heavy gauge steel with high-gloss baked white enamel finish (minimum reflectance 86 percent) over rust inhibiting phosphate coat. Full black reveal with T hinges allowing access from either side. Access plate providing two knockouts and ground screw included. Shielding: Low iridescence, anodized, semispecular aluminum parabolic, nominal 3 inch deep-cell louver held securely by steel latches. Electrical: Fully wired for 120V - 277V, 60Hz AC operation, thermally protected, automatic resetting, Class P, sound rated A, high-power factor ballast, unless otherwise specified. Electronic T8 shall be instant start, and lt;10 percent harmonic distortion. UL and C-UL listed. FEATURES AND BENEFITS: 3 inch deep cell parabolic louvers mean high efficiency with uniform low brightness in the 60 degree to 90 degree zone. A protective poly sheet keeps louver clean during shipment and installation. Specular aluminum parabolic. T hinges allow access from either side.