The Vintage Marquette Oxygen Regulator Gauges Model 25-110 is a durable and reliable piece of welding equipment designed specifically for use with oxygen gas. With a single unit quantity, this regulator gauge allows for precise control and monitoring of oxygen flow during welding and soldering processes. The Marquette brand is known for its high-quality products in the welding industry, making this regulator gauge a valuable addition to any workshop or manufacturing setting.U.S. gauge 2581