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3m滤毒盒能用多久
更新时间: 2020-11-11 00:00:00  

3m防毒面具官方给的使用有效期是3-5年,但一般都用不了这么长时间。其中头带配件一旦没有弹性,就需要立即更换,因为会影响防毒面具密闭性。3m口罩都采用高静电过滤材质,过滤空气中的颗粒物及pm2.5,不可水洗。

关键词: 3m 多久

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