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Multi-layer tube diameter 20 in a 25 m crown. This tube allows an aesthetic finish of your construction sites thanks to the banked colour. It is simple to install as it hangs by hand and keeps its shape, it's a great compromise between copper tube and PER. The connections are made without soldering, it expands little - it has an anti-oxygen barrier thanks to its metal core, sanitary application, heating Can be connected with all types of screw/crimp fittings and all types of crimping tools - Class 2: Pd = 6 bar - Sanitary hot water (and sanitary cold water 20°C/10 bar) - Class 4: Pd = 6 bar - Low temperature heaters, underfloor heating - Class 5: Pd = 6 bar - High temperature heaters - Class "Ice water": Pd = 10 Bar