3D Printer enclosure using EXCEL ENVIRON WR 18U WALL RACK COMMS NETWORK CABINET WBFP18.6SG I use this as a 3D Printer enclosure This video has the whole unit upside down, this may make a large difference to wiring e.g. the larger knock out plate is normally placed to the top for fans if used. YouTube Play List of building, it works well.<a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/playlist?list=PLUqt0sTiXUDcMu3PxXJ6Iyw444FSnzjyvNumber">https://www.youtube.com/playlist?list=PLUqt0sTiXUDcMu3PxXJ6Iyw444FSnzjyvNumber</a> of rack units (RU): 18 Wall mount 19&quot; rack mount equipment 18U X 600 Mm Wide X 600 Mm Deep Product Code: WB18.6SGB Excellent Condition, to me Came with about eight keys and rack, (cage), fastenerseBay Seller :computersinleeds Link to EXCEL ENVIRON WR 18U NETWORK CABINET WBFP18.6SG <a target="_blank" rel="noopener noreferrer" href="https://tin">https://tin</a>