Photo 1 of Bigbreathe IMT/PEP Breathing Exerciser | Dual Action Lung Trainer for Seniors & Adults?Mucus Relief, Airway Clearance, Inspiratory & Expiratory Resistance ? Easy to Use, Travel-Ready

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Photo 1 of Bigbreathe IMT/PEP Breathing Exerciser | Dual Action Lung Trainer for Seniors & Adults?Mucus Relief, Airway Clearance, Inspiratory & Expiratory Resistance ? Easy to Use, Travel-ReadyPhoto 2 of Bigbreathe IMT/PEP Breathing Exerciser | Dual Action Lung Trainer for Seniors & Adults?Mucus Relief, Airway Clearance, Inspiratory & Expiratory Resistance ? Easy to Use, Travel-Ready