This Argon/CO₂ Pressure Regulator is designed for precise gas flow control in MIG and TIG welding applications. Engineered with dual easy-to-read gauges, it accurately displays both tank pressure and output pressure, ensuring optimal performance and safety. Built from durable brass with a high-quality diaphragm, this regulator delivers consistent flow and long-term reliability. 150 Series Argon/CO2 Single Stage Light Duty. Built-in encapsulated HD valve seat ensure best flow rate, reliability and safety Drop forged fine brass body and bonnet 2″ durable gauge For light industry and commercial usage Flow (SCFH): 0-60 Cylinder Pressure (PSI): 3000 250 Series Argon/CO2 Regulator Single Stage Medium Duty. Built-in encapsulated HD valve seat ensure best flow rate, reliability and safety Drop forged fine brass body and bonnet 2″ durable gauge For medium industry and commercial usage Delivery pressure (PSI): 200