- High performance parabolic luminaires for use in open area applications and electronic offices where optical control, visual comfort and light cut-off are important.- Design optimized for use with T8 lamps and low-profile electronic ballasts.- Contoured housing for light control.-Hemmed sides and ends provide smooth edges for easy handling during installation.- Integral T-bar safety clips standard.- Premium-grade aluminum louvers in choice of finishes, shipped in thermally sealed polyethylene wrapper.- Mitered corners and interlocking construction assure precise parabolic shape.