Betaduct Narrow Slot Trunking is made of self extinguishing PVC and is ideal for all panel building applications. The narrow slot PVC Betaduct provides a lightweight self-extinguishing cable trunking with excellent rigidity and performance characteristics. It is also ideal for use with slimmer terminal blocks where more access is required, it improves appearance of panels with cables out in best position. It is suitable for use when bundles, cables and wires need supporting in control panels, distribution boards and switchgear.