реальный противогаз цилиндрический полный лицевой противогаз с одним фильтром, респиратор пожарной лестницы

full eyepiece gas mask is a kind of monocular vision filtering protective device,which can protect the personal respiratory organs. it can protect the user's face, eyes and respiratory tract from the gas effective.it always used for the military operations,counter-terrorism and emergency response operations at public places.