| 摘要 |
The invention relates to an air exchanging device (1), especially for the interior of a building, said device comprising an outgoing air inlet region for air flowing out of the interior space, and an outside air inlet region for air flowing into the building from outside. The outgoing air inlet region and the outside air inlet region respectively comprise a cylindrical filter device (5,6), especially a round filter cartridge (5,6). The outgoing air or the outside air flows through the envelope region of said filter devices (5,6). |
