PE-AL-PE yellow gas pipe 1.size:16*2,20*,25*2.5,32 ... yellow and red 3.length:100meter/roll 4.material:pe-al-pe PE-AL-PE gas pipe:1.size:16*2,20*,25*2.5 ... 2.color: yellow and red3.length:100meter/roll 4.material:pe-al-pePRODUCTS INTRODUCTIONZhejiang Universal Fenghe Plastic Industry Co., LTD ... leakage rateEasily installed yet applicable for numerous fieldsCertificate:ISO,CE PE-AL-PE yellow gas pipe