Bottom section of parapet duct profile for device installation BRN 68x130mm made of white PVC. Duct bottom section for the electrical installation duct system, plastic parapet duct in accordance with DIN EN 50085-1 as a device installation duct with an upper section width of 80 mm, removable side upper sections for simple and quick cable laying and subsequent assignment. System carrier for dividing the base profile into three separate areas: two separate cable routing chambers and a device installation area. With bottom perforation (drill tolerance compensation on all sides) for direct wall mounting and additional rectangular perforation for tool-free fastening of the duct using clip technology on consoles. With front-locking, tool-free device installation for fastening devices and device installation boxes with quick fastening. Additional C-profile as a device installation option. Couplings for simple and precise duct assembly, partition walls and cable retention clips available as accessories. Note: Sound and fire protection measures must be carried out professionally.