LPG gas regulator Hose,gas pipe 1,Material:NBR/PVC, flame retardancy 2,Size:M7/16" ... xM7/8"Lx60-100CM 3,Guarantee:7 Years LPG gas ... regulator hose,gas pipeTechnical Data: DN (mm)DIA (mm)Passage Hole (mm ... Of B/L;After Service:Top Grade,Satisfied Guarantee LPG Gas Regulator pipe