The John Guest Speedfit cross-linked polyethylene barrier pipe coil 10 mm is flexible, so running longer pipe runs is made simpler. In comparison to conventional copper pipe systems, the flexibility of the pipe greatly minimises the need for Push-Fit fittings, resulting in labour and cost savings. The John Guest Speedfit PEX barrier pipe coil has five layers, the middle of which is a blue oxygen barrier that stops air from entering the system and lessens the impact of corrosion on metal parts. PEX pipe is cooler and safer to touch when carrying hot water because of its low thermal conductivity.