The suction arm​ is a suction device used at the end of the welding fume and dust treatment extraction. It is mainly to facilitate the capture of welding fume and dust. The suction arm can hover in the air and can hover freely in the air at 360°.

The suction arm​ is a suction device used at the end of the welding fume and dust treatment extraction. It is mainly to facilitate the capture of welding fume and dust. The suction arm can hover in the air and can hover freely in the air at 360°.