KN95 Face Masks. Ventilation Series KN95 Face Masks follow the GB2626-2019 respiratory protection standards，feature a filtration efficiency ≥ 95%, effectively filter smoke, droplets, dirt, dust and pollen, etc.
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KN95 Face Masks. Ventilation Series KN95 Face Masks follow the GB2626-2019 respiratory protection standards，feature a filtration efficiency ≥ 95%, effectively filter smoke, droplets, dirt, dust and pollen, etc.