The simplest way to route cables out of the item Installation Column: Cable Entry Protector K76 with Sealing Brush creates a flexible opening that uses several layers of flexible polyamide bristles to keep dust out. Cables can be easily fed through the bristles.
The Cable Entry Protector is simply pushed onto the ends of Cover Profile 76 Al (0.0.663.41). As a result, the opening can be installed at any height. It is wide enough to allow a monitor or network cable fitted with a plug to pass through it en-route to the end device.