Equipped with energy-saving ballasts, Die-formed channels, Heavy-duty, apertured (DMF) or closed-top (DCMF) reflector, Deep-draw, full-width reflector ribs add rigidity, Metal-clad lampholders with spring-loaded sockets, Apertured reflector standard with uplight, Baked white enamel finish, Porlux and silver-lined finishes, Wire guards, gym guards, lens frames and metal louvers