The Hobart Trek 180 is a portable MIG welding that operates off its self ... 030 dia. flux-cored wire on 1/8-in mild steel. Battery power is monitored continuously to provide consistent welding ...

In particular, you need an actual MIG welder that has a provision to connect external gas. The instructions show a Hobart Handler 140 ... is too rough for aluminum wire. A PTFE liner is ...