EXPAND-A-LUNG"- IMPROVE FREEDIVING BREATH HOLDS +20%
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The #1 Choice of Competitive Freedivers Worldwide
Improve Your Most Essential Diving Gear...
The L.A.Times #1 Ranked Breathing Fitness Trainer "+4,000 Positive Feedbacks" INCREASE YOUR BREATH HOLD TIME +20% Breathing Resistance Exercise → Stronger Respiratory Muscles →
Increase Lung Capacity and Breath Hold Time (100% Drug Free) The "EXPAND-A-LUNG" inspiratory / expiratory breathing resistance exerciser is a breakthrough product for respiratory fitness training.-- Research supports that this type of exercise significantly improves the strength of respiratory muscles, and increases the volume of lung air ventilation, for easier and longer breath hold time. (For research information visit )
5 YEAR UNLIMITED WARRANTYBUY FROM THE MANUFACTURER It is a fact that breathing resistance exercise will develop stronger lungs, and this in turn can provide an endurance advantage for any sport. It can also be beneficial to people who suffer from shortness of breath, due to natural aging and respiratory disorders.
About Our Exercise
Our breathing exercise is modeled after the relaxing and slow breathing exercises used in Yoga and Tai Chi. Our exercise promotes relaxation ... read more