... .Solid structure .Powder coated, elegant and graceful IntroductionSeries AD/BD enclosure is made up of top& base cover, beam, casted handle ... , rear foot& trim and plastic unit etc. Enclosure height include: 2U, 100,110,120,3U,3.5,4U ... and plastic sprayed on surface.CI A/B is standard enclosure of this series (series A is desktop style, B is ...