[Product name] Environmental single tank dust mask
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[Shelf Life] 3--5 years，
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[Material] Mask body: green rubber filter cartridge: upper and lower solvent spraying， intermediate filter fiber cotton
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?????????? Lace: elastic skin contact part: cotton sleeve
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[Life] mask body (except for filter cartridge on both sides) - can be cleaned repeatedly，
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?? Filter cartridge life varies depending on the specific environment of about 300 hours or so.
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【Weight】 overall weight of 107 grams

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