1.sample fee free :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.W.P.:20bar 3.B.P.:60bar 4.material:fresh rubber4.Tube: SBR blended, black, smooth5.Reinforcement: textile braided high tensile synthetic yarn6.Cover: EPDM/SBR blended, blue, or red, etc. weather and ozone resistant 7.For ...