... composite pipes(PEX-AL-PEX pipe) for cold/hot water supply:1, Non-toxic, corrosion resistance,light weight, good mechanical strength ... ,office buildings,libraries,supermarkets,outdoor bus station,parking lot,ourdoor sport fileds,Fry pond and heated greenhouse.Specifications: Name ItemPacking(M ... .52632500.2313.0 pex-al-pex pipe for hot water supply