| 摘要 |
In a covering device ( 100 ) for covering the front area of a device for the passage of air ( 200 ) for fitting in an opening in a wall of a casing, in particular of a casing of waste heat producing components, of an electronic cupboard or of a switch cupboard and for the filter mat ( 60 ) of the device for the passage of air, whereby the covering device comprises a design cover ( 80 ) covering the filter mat ( 60 ) with a number of inclined lamellar elements ( 90 ), each lamellar element ( 90 ) has in its upper area ( 90 a) a section with a hook-type configuration ( 95 ) orientated against the air admission.
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