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Breathing training device designed to improve airflow control and stability, featuring adjustable resistance levels to suit different training needs.
Features
Top model to classic flow-ball.
Top model to classic flow-ball.
Apparatus respiratory training To optimize a constant air column.
Includes 2 balls of different weight.
You can train with 8 levels of resistance, depending on the combination of ball used and the diameter of the covered / open hole.
Specific References
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