10 шт kn95 против пылезащитной анти дышащей расплавленной выдувной ткани ткань здоровье маска для лица с клапанной фильтрацией n95 маски kf9

how long will it take my mask to arrive and about n95 masks: if you place order now, your mask will be sent out from our stock in warehouse directly no inner transportation. n95=kn95(gb2626-2006)=kf94=ffp2 these mask can isolate smaller particles bef over 95%, 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. the n95 mask is not a disposable mask. in this special case (res...