The FX is a jointed, articulating fume extractor arm that can be mounted on the wall, ceiling, or directly to your workbench. Its main sections are constructed of anodized aluminum while the joints are comprised of plastic, both add durability to the arm. A variety of hood and mounitng options allow this arm to handle most of your applications for smoke, dust, chemicals, solvents, and fumes. The Nederman FX arm is available in 2, 3 and 4 inch diameters and and a range of lengths from 28 to 96 inches.