Two disks are consecutively disposed transversely to a flow direction in an air vent for a passenger compartment of a motor vehicle, serving as air deflection elements that include mutually intersecting slots, through which a rod that is pivotably mounted in a ball and socket joint passes, so that the air deflection elements can be moved transversely in the air vent by way of the rod. By moving the air deflection elements, an air current through the air vent can be guided to the side, and thus air flowing out of the air vent can be guided obliquely to the side in any arbitrary direction.