3 balls incentive spirometer;
* Mainly used for normal breathing restored trainnings for the patients due to chest lung disease, surgey, anesthesia and
mechanical ventilation;
* Wide flow rate range from 600cc, 900cc, 1200cc;
* 3 color-coded balls/3 chambers;
* Minimum flow imprinted on each chamber;
* Improve lung function, and enhance the tolerance of patients to operation, reduce the postoperative complications, convenient
to carry and operate, easy to exercise by patients selves.