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Improved strength means improved endurance and that means improved muscle performance. PowerLung's advanced design makes it easy for you to train your lung muscles. Thirty breaths, twice a day with PowerLung resistance training is all it takes to train your inhale and exhale muscles in the same breath. The PowerLung offers flexible training levels. You set the independently adjustable inhale and exhale resistance controls for your personal training or warm-up level. Try PowerLung to increase your stamina, endurance and performance.
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