EXPAND-A-LUNG™ - INCREASE BREATH HOLD TIME FREEDIVING

The #1 Choice of Competitive Freedivers Worldwide Saves Scuba Air Supply by +20% By Improving Regulator Breathing EfficiencyThe #1 Ranked Respiratory Fitness Trainer by The L.A. Times INCREASE YOUR LUNG CAPACITY AND BOTTOM TIMEBreathing Resistance Exercise →Stronger Lungs →Increase Lung Capacity and Bottom 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 ventilation, for longer bottom time. (For research information visit www.expand-a-lung.com)  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 ExerciseOur breathing exercise is mode ... Read More