Coral EXTRACTION ARMS are the ideal solution for the local capture of fumes, gases, smoke and dust directly at the source which will protect your workers and your equipment from dangerous pollutants. The unique Coral patented design allows flexibility and smooth mobility, yet ensuring that the arm holds firmly in its position when needed. Last but not least, the EVOLUTION NO-SMOKE ARMS feature a sturdy metal supporting structure, for extreme durability even in the most demanding applications.