... .size: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 green protective ... reach at least 50 years under normal use. Stop Valve for PPR pipe