Air filtering naris plug
The utility model relates to an air filtering naris plug, comprising a foaming column. The air filtering naris plug is characterized in that the foaming column is round stage shaped and the side of the round stage is provided with lines. The lines on the side of the round stages are circular lines o...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model relates to an air filtering naris plug, comprising a foaming column. The air filtering naris plug is characterized in that the foaming column is round stage shaped and the side of the round stage is provided with lines. The lines on the side of the round stages are circular lines or screw lines. The utility model has the advantages that the utility model can be safely and easily worn, and can effectively prevent the respiratory system of human body from being harmed by dust and exhaust air. |
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