inverter mig 131 multi gasless hollow wire welder 0 45kg 0 9mm stayer wire spoolThe MIG 131 MULTI inverter welder is a multifunction welding equipment prepared for welding with hollow wire without the need for gas (Flux Core), TIG LIFT ARC or coated electrode. The fact that it welds with flux cored wire without the need to connect a gas cylinder makes it a very convenient device for use on outdoor construction sites or at heights. Furthermore, since most of the current passes through the hollow wire, it generates faster fusion,