Features:

• Higher capacity of alveolus oxygen absorbing, and improving the breathing /blood stream ratio.
• Atelectasis prevention, and easier for phlegm discharging.
• Strengthen exercise of diaphragm and respiratory muscle through inhalation training.
• Compact, easy to carry.
• Three-ball design to make the training interesting.
• Segmented training, increasing confidence in the rehabilitation of patients.

• main part：AS
• ball：ABS
• tube：PE
• mouth-piece：PP