Reflectors feature reinforcing forms and are painted with high reflectance baked white enamel finish. Heavy-duty channel of code gauge die-formed steel with baked white enamel finish. Reflectors are easily installed and have uplight construction standard. Solid top reflectors are optional. Housing is multi-stage phosphate treated for maximum corrosion resistance and finish coat is high reflectance baked white enamel. Combination end cap/coupler requires no tools for installation. 32W and Slimline units are UL Listed for direct mounting on low density ceilings. UL listed for damp locations. Units incorporating emergency ballasts UL listed for dry locations. High output 380mA (44HO, 86HO), high output 800mA (48HO, 96HO) and very high output 1500mA (48VH, 96VH) models come standard with -20°F start ballast where available.