... :oxygen hose, rubber hose, welding hose 2.W.P.:20bar 3.B.P.:60bar 4.material:fresh rubber 1.sample fee free :oxygen hose, rubber hose, welding hose 2 ... blended, blue, or red, etc. weather and ozone resistant 7.For transportation of welding gases, such as oxygen, acetylene, argon, etc ...