Listing ID #4920338
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Minimally resistant flow tubing | Reduce resistance to achieve the maximum volume in minimum time |
Flow value imprinted on each chamber | Provides a visual incentive for the patient |
Graduated 3 Ball Design | Encourages deep and prolonged inspiration |
Compact design and break resistant plastic | Yields utility over time |
Colorful Presentation | For precised visualization |
Small-size design | Economical in maintenance and storage costs |