Combination of regulator and flow meter as one single stage piston design unit. Specifications: 0 - 60 SCFH flow; Preset output 50 PSIG for argon and CO2; Weight 1 Lbs. (.454 Kg). Features: Regulator and flow meter in one unit. Provides accurate regulation of gas flow. Impact resistant machined brass body, polycarbonate flow tube and outer cover. Designed for MIG and TIG applications.