- With safety valve
- Plastic housing
- For single-person use
- Latex free
How to use:
1. Hold the unit in at upright position
2.Exhale normally and then place your lips tightly around the mouthpiece at the end of the green tubing.
3. Low Flow Rate - Inhale at a rate to raise only the ball in the first chamber. The second chamber ball must remain in place. This position should be held for 3 seconds or as long as possible whichever comes first.
4. High Flow Rate - Inhale at a rate to raise the first and second chamber balls. Ensure that the third chamber ball remain in the rest position for the duration of this exercise.
5. Exhale - Take out the mouthpiece and exhale normally. Relax - Following each prolonged deep breath, take a moment to rest and breath normally. This exercise can be repeated according to physician's instructions.
Note: The instructions and illustrations are printed on the box.