The Day-Brite/CFI SHE fluorescent high bay luminaire features 95% reflective aluminum reflectors and a solid enclosure design for an efficient alternative in industrial lighting applications. Enclosed housing design Suitable for chain mounting only, can not be surface-mounted Housing is multi-stage phosphate treated for maximum corrosion resistance and finish coat is high reflectance baked white enamel 1-1/2 in deep individual cavity reflectors are made from high reflectance, specular aluminum Top access plate standard