... gas protect when fire happened XHZLC40 Gas Escape Mask1.Fire escape mask, smoke hood, fire fighting mask This kind of respirator is a essential ... cant be used for work Protection, just for personal escape and self-life-saving. 2.Storage conditions: 0- 40 surrounding, no fire ... respirator is also suitable for children to wear and escape in an emergency, but it needs the help of adult. 6.If ...