Side profile made of sheet steel for BKIS 12.5x130/230mm traffic white. Side profile made of sheet steel for wall-integrated parapet duct for use in a lightweight, non-load-bearing stud wall in dry construction. The side profile is mounted by simply snapping it into the mounting bracket/coupling. Note: 2 m of side profile are required for 1 m of duct system. Equipotential bonding and earthing measures must be carried out professionally.