Shortness of breath, a heavy congested chest and the associated coughing are just some of the common symptoms experienced by people with breathing and respiratory problems. P p features58 p p the use of respiratory devices imt and oscillatory pep have been shown to58 p p bull reduce breathlessness in healthy people and people with asthma, chronic heart failure and copd br bull improve mucus clearance in people with asthma, cystic fibrosis and bronchiectasis br bull improve quality of life in people with copd, bronchiectasis, asthma, cystic fibrosis and chronic heart failure br bull clinically tested in the uk p p imt 45 inspiratory muscle training br pep 45 positive expiratory pressure p p how does aerosure medic work63 p p aerosure medic works by spinning a valve inside the device at high speed to rapidly open and close the flow of air in and out of the lungs. As you breathe through the mouthpiece the spinning valve creates resistance, vibrating the chest wall to work the lung muscles harder and reduce breathlessness. P p warranty p p for hygiene reasons once the box has been opened the product cannot be returned. This product is intended for a single user only 45 do not share the valv