152CD-100 medium duty "MIG METER" flow gauge regulators are designed for MIG & TIG applications to provide accurate regulation of gas flow. They also provide reliable performance in commercial, industrial and laboratory applications. Accurate measurement of gas flow up to 100SCFH. Body and housing cap are machined from class "A" brass. External pressure relief valve. Sintered bronze inlet filter. Stem type seat assembly for a more reliable performance.