Air duct device

The air outflow device (5) has two air outflow modules (L1,L2). A direction of outflow air is changed in a certain direction and outflow width is changed in another direction during changing the both air outflow modules. The latter direction is provided perpendicular to the former direction. Independent claims are also included for the following: (1) a dashboard or cockpit module for a motor vehicle; and (2) a method for operating an air outflow device.