10шт n95 4 слоя маска антивирус грипп анти-инфекция kn95 рот маски pm2.5 защитные защитные маски для лица так же, как kf94 ffp2 3og1

note: listed product is produced and distributed abroad and subject to the laws of its country of origin. you may purchase the products for personal use only. how long will it take my mask to arrive? -if you payment, your mask will be ship within 24 hours. about n95 masks: n95 mask can isolate smaller particles, and fit tighter to the face, it is not easy to leak air from the periphery, and the filtration efficiency of particulate matter can reach 95% under standard conditions. 4 layers ...