Expand A Lung INC

PROVIDES ALL LEVELS OF RESISTANCE FOR INHALINGAND EXHALING EXERCISE

The Expand-A-Lung® inspiratory/expiratory breathing trainer is a breakthrough product for improving endurance through better breathing and lung function.  Research supports that this breathing exercise significantly improves the strength of respiratory muscles, and increases the volume of lung oxygen intake. The end result is deeper, easier and better breathing for a  superior e...

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