RoboVent extension booms are designed to extend the reach of the RoboVent FumeArms, providing up to a 28 feet(8.53m) radius of combined coverage. The extension booms are heavy-duty, welded construction with a durable powder-coat finish. All booms include a bracket for securing the boom to a wall or post, and a heavy-duty flange to attach the FumeArm. Available in 6"(15.24cm) and 8"(20.32cm) diameters, the booms come in both single- and double-articulated versions with a reach 7 feet(2.13m) to 14 feet (4.27m) as standard. Ask your solution specialist if other options are required for your application.