AtlasIED 312 19-Inch 12RU Opening Stand-Alone Wall CabinetAtlasIED's 312 19 Inch 12RU Opening Stand Alone Wall Cabinet is welded with center section depths of 12 and 15, respectively. Basic model includes three, 16 gauge CRS sections which include a 2 deep, solid steel front door, a 12 or 15 deep center section with adjustable mounting rails, and a 4 12 deep rear door. Panel space openings range from 7RU to 35RU. Enclosures are equipped with provisions for custom cabinet mounting, wire management, equipment