We are offering fixed welding fume extractors. . wall mounted with 180 rotation for ease of use. self-supporting suction arm structure. pre-coated aluminium construction. arm joints made from aluminium alloy combined with a ceramic fibre clutch system with flexible, flame resistant pvc pipe joints and an internal steel suction hood joint. 160mm diameter aluminium suction pipe. sheet metal black coated hood reduces welding arc reflections and is complete with a graduated sector air flow regulator gate, protection mesh and handle