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Quantity:



3M3501和3m3701的区别的: 3M3501和3m3701是一样的kn90级别东西质量是一样的,就是3m3501的包装规格是一袋10片装带防伪标签的。3M3701是一盒4袋一袋25个 一盒带防伪标签 其他没区别









| Parameter information | |
| Brand | 3M |
| Origin | Mainland China |
| Color Options | 3M 3701 Loose Cotton KN95, 3M 3701 Filter Cotton KN95, 3M 3744 Filter Cotton KN95, 3M 3704 Activated Carbon Filter Cotton, 3M 3N11 Round Cotton Single Piece |
| Model | 3701 |
| Province | Shanghai |
| City | Shanghai |