Your Partner in Welding - Durable,Flexible, Reliable This 50FT x 1/4-inch R-grade oxygenacetylene twin hose supports 300PSI working pressure and 900PSIbursting pressure. Made of durable rubber material, it resistskinks and tangles, with 9/16"-18 LH/RH B fittings and a clearcolor-coding system, perfect for welding, soldering and cuttingtasks. With a working pressure of 300 PSI and abursting pressure of 900 PSI, this oxy acetylene twin hose deliversexcellent stability and high-pressure resistance, making it idealfor welding and industrial applications. The welding cutting torch twin hosefeatures a 3-layer structure: a wear-resistant rubber outer layer,a high-strength fiber middle layer, and a durable rubber innerlayer. All-weather and wear-resistant, it delivers long-lasting andreliable performance. Our R grade twin welding hose features aclear color-coding system, with the red hose for acetylene and thegreen hose for oxygen. It helps users easily identify gas types,avoid confusion, and ensure safe and efficient operations. Whether for welding, brazing, soldering,or cutting, this oxygen acetylene hose delivers reliableperformance. It is widely applicable in auto shops, factories, andrepair shops, making it a trusted tool for metalworkingprojects.