摘要 |
<p>The device consists of a housing (3), a filter (5) and a radial fan with a drive. The upper side of the device has a cut-out (4) in which a filter can be inserted so as to be flush fitting and in whose bottom an opening (2) is cut out via which a fan sucks air and vents the air out via vent holes (1) on the outlet side of the housing.</p> |