LungBoost™ Respiratory Trainer helps to increase your lung capacity by helping you exercise the muscles surrounding your lungs. Track your past exercises and progress and make personal goals on the LED display. Two intensity modes and six resistance levels with five adjustable positions. 5"L x 3 3/5"W x 7"H, includes breathing tube, five resistance cones and quick-start manual. Uses 2 AA batteries (not included). Great for Asthmatics, Former Smokers & Those Suffering from Bronchitis or Emphysema.
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