This high-performance direct/indirect luminaire has a compact arcuate-shaped design. Its optical system can accept one, two, or three T5, T5HO, or T8 lamps, and offers three diffuser options: semi-specular parabolic baffle, parabolic baffle finished matte white, and a white, frosted acrylic lens. Up/down distribution ratios range from 75 percent/25 percent to 63 percent/37 percent, depending on lamping and diffuser choices, and fixtures are available in 4- and 8-foot lengths.