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Mask non-woven structure: A total of three two-storey non-woven fabric, a layer of filter paper, ears, or Department of belt linked with nasal aluminum frame, non-particulate ultrasonic sealed edge, comfortable to wear. Its industrial / medical filter masks layer of bacterial filtration efficiency 95%, respectively, 98.5%.
Mask is a non-woven surface skimmed from cotton gauze or knitted fabric made of a variety of non-woven fabric intermediate folder; another directly from the non-woven sewing. Filter effects, and less breathable. |
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