| 摘要 |
<p>The present invention refers to a device for high-purity filtering and disinfecting breathing air. The device includes a fine-dust filter and fan arranged on a housing. An elongate air flow tube is also arranged on the housing and is oriented to receive air flow from the housing. A second filter for disinfecting air is included in the elongate air flow tube. Arranged in series in the air flow tube are a third, main filter for removing microorganisms and a fourth, activated carbon filter for removing noxious fumes.</p> |
