An extraction arm that is suitable for a wide range of applications in the metalwork, automotive, food, and engineering industry. The arm consists of hollow air ducts and external support mechanism to provide minimum air flow resistance. Captures at least 75% contaminants directly at emission source. Am has a robust design with a built in damper and is 360° turnable around its support axis. Recommended airflow is 1000-1200 m3/h.