Cable routing duct with clamps PVC LFW 20x50mm length 2m traffic white. Electrical installation duct system cable routing duct LFW made of plastic in accordance with DIN EN 50085-1 for laying cables. Duct lower part/upper part with pre-assembled and adjustable retaining clamps. The upper part can only be opened with a tool and thus ensures that the lid is held securely. Note: Sound and fire protection measures must be carried out professionally.