Versatile, high-volume extractor arm systems have a 100mm (4") tube diameter. Use System 100 for air volumes of up to 235 cfm. Available with white polypropylene joints and choice of aluminum or polypropylene arms. Arms have hydraulic, self-support assists. Choose Wall- or Ceiling-Mounted models. Customize your system with Hoods and Nozzles or Brackets, Ceiling Columns, Reducers, and Cabinet Mounting Flanges (sold separately).