Cable routing duct made of PVC LF 40x90mm light grey. Electrical installation duct system Cable routing duct made of plastic in accordance with DIN EN 50085-1 for laying cables. Duct lower part/upper part with partition wall installation option, snap-in, with pre-punched base holes at 125 mm intervals, with pre-assembled couplings for easy alignment during one-man assembly and pre-assembled adjustable retaining clips. Note: Sound and fire protection measures must be carried out professionally.