... withstands corrosion, durable, Features: 1) Connector for outdoor gas piping2) High flexibility, withstands corrosion, durable, reliable, safe ... won't leak gas if installed incorrectly5) For gas mediums such as city gas, petroleum liquefied gas, natural gas, oil, waterSpecifications ... :1) Size: I.D. 1/4''.3/8''.1/2''2) PN: 0.5MPa3) Hose ...