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Replacement dustproof mask for high comfort and workability.
You can choose from two different filtering materials (3M(TM) Filtering Material 7753, 3M(TM) Filtering Material 7753C) on one face
Depending on the working environment and content, you can use the filter material and use it comfortably for dust work with odors such as welding and casting work.
The fit check tool is built into the bottom of the face to make it easy to check your fit