There is always a possibility of a dangerous situation. Any place, even the most harmless, can easily turn into the hell in a matter of minutes or even seconds. Dense smoke during the fire, leakages of poisonous industrial gases, terrorist attacks, all that is dangerous for your health and life. That is why, there are special emergency escape breathing devices. Such emergency escape breathing devices are used to provide a person with enough air to leave the potentially dangerous area. Usually, such an emergency escape breathing device consists of a mask, rubber tubing and a cylinder with oxygen. A mask of the emergency escape breathing device usually covers the whole face. It gives additional protection because many gases can be potentially dangerous not only for your breath, but also for your skin. This mask is made of lightweight elastic materials which allow putting it on very fast. A special valve that connects it with the oxygen supply unit is located in the middle or at the bottom of this mask. In most cases, this valve is activated automatically, so there is no need to push any button or shift the lever. That allows saving precious seconds. With the flexible rubber tubing, this valve is connected to a cylinder with the breathing gas. And as the breathing gas in modern emergency escape breathing devices oxygen is usually used, regular air can be used as well. The amount of the oxygen in the cylinder is usually enough for 5 or 10 minutes of breathing. This time is sufficient to leave the potentially dangerous area and go there where you can breathe with surrounding air safely. Some simple models of emergency escape breathing devices do not have oxygen supply. They use different filters and special fans instead. These filters allow purifying the surrounding air from poisonous gases or smoke. Thus, the person inhales only air without any dangerous substances. Such a system can usually work longer than emergency escape breathing devices with oxygen supply. But they cannot be used in several situations. Most of the emergency escape breathing devices, that are produced these days, are made with an oxygen cylinder because it provides shorter escape time and its usage is more universal. These days you can meet a great number of industrial equipment manufacturers, who offer emergency escape breathing devices of all the possible designs. All these models usually have similar parameters with just slight variations. One of the leader producers in the sector of emergency escape breathing device is "Fenzy S. A." company. Recently they have elaborated fenzy bioscape, a new model of their mask. This apparatus is available in 10 or 15 minutes modifications. That is 5 minute longer than other manufacturers usually offer in such models. The mask of fenzy bioscape system is fully automated and you only need to don it and start breathing. A special whistle is located close to the person's ear to signalize that the oxygen is running out and you have to hurry.