The Vevor oxygen acetylene twin welding hose is designed for welding, cutting, soldering, and brazing applications. This 25' R-grade hose features a 1/4" inner diameter and supports up to 300 PSI maximum working pressure with a 900 PSI bursting pressure. Its durable rubber construction is built to resist kinks and tangles for dependable gas flow. Color-coded red and green lines help identify acetylene and oxygen quickly, while B style fittings provide secure connections. Ideal for auto repair shops, factories, and maintenance work.