The Lowell LGR-4427 fully-welded open frame rack with seamless side-frame construction and 14-gauge steel base is reinforced at load-bearing junctions for robust support. The rack has a configurable top opening and ships with two panels that can be used to close the top or replaced with optional 19-inch fan panels for active cooling. The gangable rack features a 23-inch wide footprint and black textured powder epoxy finish. Available with or without a rear door. Optional front door and side panels (order separately). Configurable top, closure panels included.