Lung Exerciser – 3-Ball Breathing Spirometer Trainer

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Strengthen your breathing with this lung exerciser. The three-ball spirometer gives a clear visual target for slow, deep inhales, helping lung recovery after illness or surgery and building breath control for singers, swimmers, wind players and athletes — track your progress ball by ball. 3-ball visual meter Trains deep breaths For recovery and sport Breath control practice Specifications: 3-ball spirometer · with mouthpieceIn the box: spirometer, tube Show more