Equipped with energy-saving ballasts, Die-formed channels, Heavy-duty, deep-draw, full-width reflector ribs add rigidity, Baked white enamel finish, Metal-clad lampholders with spring-loaded sockets, Porlux and silver-lined finishes, Apertured or closed-top reflector with Center "V" helps reduce glare, Wire guards, gym guards, lens frames and metal louvers