FIELD: construction, applicable in production and reconstruction of room ventilation and airing systems. SUBSTANCE: the device has a duct for supply of atmospheric pressure to the room and a duct for discharge of air from the room. Besides, it is provided with an inlet valve installed in the duct of atmospheric air supply, and an outlet valve installed in the duct of air outlet to the atmosphere, and the air inlet and outlet ducts are connected to the human respiratory system. EFFECT: reduced fatiguability and sick rate of the human being in the room. 10 cl, 1 dwg
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