10шт n95 ce сертификат рот маска для лица пыль анти-инфекция kn95 маски респиратор pm2. 5 защитный как kf94 корабль fedex

10pcs n95 mask ce certificate mouth face mask dust anti infection kn95 masks respirator pm2.5 protective as kf94 ship by fedex how long will it take my mask to arrive? we ship by fedex,it just need 3-7 days arrive to you! -if you place order now, your mask will be sent out 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% un...