Bas Rutten O2 Trainer - Official Workout Device
the Bas Rutten O2 respiratory training device,the Portable Stationary O2 trainer,the new healthy way,breathable, oxygen rich air,LUNG muscle Fitness portable breathing mouthpiece,Power training,the official Bas Rutten workout device
Reasons to buy
- The trainer and the inserts have been designed to fit in an easy to pack portable kit for easy portability
- Lightweight breathing device regulates air intake and improves muscle oxygen efficiency during exercise
- The O2 trainer controls air intake to the lungs and supports the shift in the breathing to the diaphragm
Drawback
- May cause a lot of saliva production
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