... :20,25,32,40,50,63 2.material:Yanshang PPR,brass 3.OEM Stop Valve:1.size:20,25,32,40,50,632 ... .material:Yanshang PPR,brass3.OEMFeatureshealthful., innocuous: the product belongs to environmental ... life can reach at least 50 years under normal use. Stop Valve for PPR pipe