The Model 301 Inert Gas Guard Regulator is a special regulator designed to correct surge and provide full flow control when added to existing flow control equipment. Models available will mount to flowmeter, regulator or wire feeder. A feeder mount is available with a flowgauge. -- Heavy-Duty -- Pressure Regulation: N/A -- Gauges: 2" Steel -- One-piece encapsulated seat design with internal filter and PTFE Teflon® seat. -- 7 Year Warranty -- Made in the USA -- -- -- Gas-shielded welding -- UL® listed; CGA E-4