n95 n99 многоразовые маски клапанная маска для лица 6 слоев фильтр бактериальная защита от гриппа маска для лица крышка рта pm2. 5 антипылев

please be kindly noted,the listed product is produced and distributed abroad and subject to the laws of its country of origin. masks instructions for use precautions 1.masks should be replaced in timely manner.long-term use is not recommended 2.it is recommened to discontinue use if there is adverse reaction during wearing. 3.this product is not washable,please make sure to us.