Fire Escape Smoke Mask is designed to keep the person safe from the smoke for a period of 45 minutes thus allowing you sufficient time to escape from the burning building. The Fire Mask contains hopcalite and a desiccant to keep the user safe from extremely toxic gases such as carbon monoxide, hydrogen cyanide, hydrogen chloride, anthrax and many other equally toxic gases. The Mask is offered in various specifications. The Fire Escape Smoke Mask is used in various industries.