CO2 Gas Protection Welding Machine 1.Single-phase,thermostatic protection 2.Portable, fan-cooled 3.No slag MIG-175 Welding MachineTechnical Specification Model Specification ... thermostatic protection, portable, fan-cooled. 2.Integrated wire feeder. 3.High productivity, good welding quality, no slag4.Narrow hest-affected zone, less ...