Double Gauge: Equipped with an impact resistant pressure gauge (0-25 MPa) and a highly visible flow meter tube (0-25 L/min) to control the pressure and output in real time, ensuring a stable weld MULTI GAS COMPATIBILITY: Designed for use with Argon, Carbon Dioxide (CO2) and Argon + CO2 blends, supporting versatile TIG/welding applications across a variety of metal materials & EASY INSTALLATION: Standard G 5/8 inlet fits most cylinders tightly, built-in pressure relief mechanism automatically releases excess pressure to increase pressure during welding work INDUSTRIAL BRASS CONSTRUCTION: Plated brass body ensures super rust proof and high pressure durability and maintains structural integrity for long-term leak-free operation Stability: The output structure reduces initial waste by 15% by 20% and improves usage efficiency and reduces operating costs over time, Manufacturer: LEMEIGUO