The Hobart 770198 MIG Regulator is used to regulate the flow of Argon/CO2 gases to your Hobart MIG welder. The solid, corrosion-resistant brass construction of the 770198 MIG Regulator provides extra durability and ensures the regulator will last a long time. Features:Constructed of solid corrosion-resistant brass2-Inch-diameter gauges, forged brass bonnet and durable PTFE® designDual filters for high-pressure seat protection100% tested for dependabilityMade in the USA by Smith What"s In The Box:Hobart 770198 MIG Regulator, Flowmeter 10-50 Cft, Argon/CO2