3M 8511 N95口罩 - 華萊進出口（深圳）有限公司 3M特約經銷商

3M 8511口罩 用途：適合濕熱環境或長時間佩戴防護 包裝：10個/盒，8盒/箱=80個 3M 8511 Particulate Respirator N95 (w/ Cool Flow Exhalation Valve and Faceseal) Features: NIOSH approved N95, at least 95% filtration efficiency against solid and liquid aerosols ...

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