Abstract: A vacuum arch system located at a vehicle treatment facility that provides suction to a vacuum hose used by a user at the vehicle treatment facility to clean an inside of a vehicle of the user. The vacuum arch system has a vertical support pole, an arch arm having a front end and a back end attached to the top of the vertical support pole, at least one vacuum hose, a right side rear bracket and a left side rear bracket, and a separator. The separator may be relocated to either the front end of the arch or the back end of the arch. On the front end, it is connected to the arch by a downwardly extending inlet pipe that hangs below the arch. On the back end, it is connected to the arch by an airflow pipe and the vacuum hose connects to the front end.