The invention relates to medical engineering and can be used as a breathing exerciser as kapnicator. The technical result - increasing the efficiency of treatment and prevention of cardiovascular disease - is achieved in that in the breathing apparatus comprising a mask 1 with the valves 2 and 3 and the inspiratory and expiratory hose 4 and 5, the breathing tank 8 and the suction chamber 6 within which is located a replaceable glass 7 with the front and rear partition walls 11 and 10, in the conical wall of the cup further has an opening 17, partition walls are made airtight, the front partition 11 is movable inside the cup, and the side wall of cup 16 applied to the metric scale in the end part of the suction chamber by the exhalation hose 15. An aperture 7 is formed glass or of a transparent elastic material and is further provided with a clamping ring 18, either with transparent slit. Front airtight partition 11 is provided with a handle 12. The respiratory tank is provided with a clamp 9. 1 s.p.f. PM 4 z.p.f. PM, 1 of FIG.
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