This is S?size. ●M SIZE（Length 89×Width 178mm）is recommended for men ● ・Surgical mask with exceptional body fluid resistance. Correspond to new standard (ASTM F2100-04). ・Exceptional body fluid resistance to protect mouth and nose from scatter of blood and body fluid. （Synthetic blood impervious rate ≧80mmHg） ・Exceptionally durable 3-layer structure.? Comfortable breathing thanks to nosepiece built-up. ・High filtration precision thanks to high-performance filter built-in. （PFE≧98％（0.1μm）） ・Ear bands are made from latex-free， soft flat rubber. Allow users to put the mask on for long time without hurting their ears. BFE（Bacterial filtration efficiency）≧98.0％? PFE（Particulate filtration efficiency）98.0％（0.1μｍ） | |
| 【Size】 Length 89× Width 165cm 【Country of origin】 China ※This product is produced for health care industry. Thus its quality is guaranteed.? ■Package | |
| 【Pleat type】Right way to wear the mask | |
 | 1. Take the rubber string out， stretch the plate upwards and downwards to fully expand the mask 2. Cover the mask on your face. Adjust nosepiece to fit your nose shape， and then pull the mask till your chin 3. When the mask has already fitted your face， put the rubber string on. |
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