Hanging/Ceiling Fume Arm Features: Powder coated steel tube 23 -24 gauge steel Swivel base rotates 360 Hood comes with air diverter External joints Aluminum hood No internal adjustments Low static pressure Circular hood handle Tube grab handle Cast aluminum joints Friction disks Telescoping Spring Options: 20' hood extensions - 6 & 8 diameter High temperature hose Light kit Custom colors Custom dimensions Custom shape hoods