Decorative cover for cable/pipe in polar white for Optiline 50. Ceiling cover for the passage of a cable duct through a false ceiling. Also suitable for columns with a diameter of 52 and 65 mm (ceiling columns with tension mechanism and socket boxes). Designed for installation in a round hole with a diameter of 125 mm using the three included clamps. A plastic plate for locking the cable duct, which is secured with cable ties, is also included. The plate can also be used as a drilling template for the entry hole with a diameter of 125 mm. Alternatively, it can be used for ceiling cable entry.