| 摘要 |
The inventive ventilation device comprises a support structure (1), a motor block (2) which is borne by said structure, a turbine (3) comprising blades (10) which are driven by the motor and which turn inside a volume which is protected by an open-worked casing which is connected to the motor block (2). It also comprises fixing means which are connected to the motor block (2) and which can receive at least one detachable, interchangeable module for treating the air flow produced by the blades (10), said module being arranged inside the volume of the casing disposed upstream from the turbine (3).
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