AIR VENT (SNAPVENT)
This Snapvent is a custom hand manufactured part. It has two tabs welded opposite each other on the outer ring to better facilitate holding itself in the window and in addition, it also has a custom made thicker wire inserted internally to give great support laterally.
Model CC3251: Mounts 3-1/4” diameter opening. Rotates to provide any degree of ventilation. Retracts to a closed position nearly flush with the mounting surface.