Hose Pipes (rubber Hose for Welding) application : Recommended for Use with Welding and Gas Cutting in a Workshop, Shipyards, Construction Sites and Manufacturing Industries Etc. construction Tube : Uniform in Thickness, Manufactured with Natural and Synthetic Rubber. reinforcement : High Tensile Synthetic Yarn. cover : Blue for -oxygen & Non Fuel Gases, Red for Lpg. temp : -40°f to +160°f