PPR Pipe:(anti-bacterial ) 1. Material:Hyusong 2. we have patent 3. Size: 20mm to 110mm 4. ISO9001, ... >Pressure:PN=1.25,1.6(for cold water),PN=2.0,2.5(for hot water)6>Certification:CE,ISO9001-20087>OEM ... cold water and hot water PN=1.25,1.6,2.0,2.5