Opened but never used. 350-500mm Adjustable Length – Twin Walled PipeMid-length adjustable Twin Wall length for creating internal and external twin wall systems.This item features push-fit male and female connections and is supplied with 2 locking bands to lock the pipe at the desired length.Please note – As with all twin wall parts the diameter quoted is the internal diameter – The external diameter is 2 inches larger due to the surrounding insulation.Designation number 37-125-015Finish: BlackInner Diameter: 125mmOuter Diameter: 175mmEffective Length: 310-450mmConnection: Push-FitInsulated: Yes (25mm Rockwool)Locking Band Included: Yes
