| 摘要 |
PURPOSE: A dustproof nose mask is provided to allow the inhalation of clean air by filtering polluted air by inserting a pair of cylindrical bodies having a filter into the nostrils. CONSTITUTION: A dustproof nose mask comprises a pair of tapered cylindrical bodies (10,11), a hanging piece (12), and a hanging protrusion (14). The pair of tapered cylindrical bodies is connected by a loop (20). The hanging piece is formed on the top of the cylindrical body. The hanging protrusion is formed on the lower inner side of the cylindrical body. A strainer (30) is formed inside the cylindrical body.
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