Check out our collection of SPARC Oxy-Acetylene Hoses. Welding gas hoses are used to transport welding gas to welding equipment. We stock 3/16", 1/4" and 3/8" oxy-acetylene gas welding hoses for welding, brazing, cutting, and more. All oxy-acetylene hose sets feature our ground-breaking strain reliefs. We offer a wide range of welding hose lengths and fittings to ensure a proper hose connection.