... China (Mainland) Brand Name: Newkeli Material: pex,aluminum certification: CE, ISO The red PE/Al/PE Pipe is for hot water supply, the white ... pipe is for cold water supply, the yellow pipe is for gas supply.Features:Material ... 50,1001819530,50,1002019530,50,1002519530,50,1003219530,504019524 PE/Al/PE Pipe for Cold Water Supply Size (mm)Pressure Rating( ...