Cover panel for hose/hose, polar white for Optiline 50. Ceiling panel for guiding a cable hose through a false ceiling. Also suitable for columns with a diameter of 52 and 65 mm (ceiling columns with clamping mechanism and socket boxes). For mounting in a round hole with a diameter of 125 mm using the three clamps supplied. A plastic plate for locking the cable hose, which is attached with cable ties, is also included in the scope of delivery. The plate can also be used as a drilling template for the entrance hole with a diameter of 125 mm. Can also be used for cable feed to the ceiling.