Hanging Work Stations include: 30' of metal tube, bends and installation materials up in the beams; 2" x 12' hose (hanging drops only); hanging double workstation inlet.<br /> Wall Mounted Work Stations include: 30' of metal tube, bends and installation materials up in the beams; 2" x 12' metal tube down wall (wall mount drops); double wall mount workstation inlet.<br /><br /> Notes: <li>Based on 18' to 20' from floor to beams.<li>EI & EII Systems -- Inlet includes on/off microswitch to start and stop the unit when the hose is plugged in into the inlet. <li>EIII Systems -- No microswitch provided on inlet.<br/><br/>