CO2 Gas Protection Welding Machine 1.Single-phase,thermostatic protection 2. ... .0Insulation classHDimension(mm)680x335x430Main Features of MIG-1751.Single-phase, with thermostatic protection, portable, fan-cooled. 2.Integrated wire feeder. 3 ... .Narrow hest-affected zone, less deformation, good weld appearance. 5.With complete accessories. 6.Carton box. CO2 Gas Protection Welding Machine