... :black with blue line,blue,white HDPE water pipe for fire controlAdvantage1.Non-toxic, no heavy metal additives, ... of many chemical mediums,or electron chemical corrosion. except for few strong oxidants3.High strength, good performance to ... flexibility: small diameters' PE pipe for water supply can be coiled and supplied for longer length, which saves a ... *57.21200*45.9 HDPE water pipe for fire control