B-Arm Deep Breathing Lung Exerciser(I6E5)| Respiratory Muscle Trainer For Respiratory Therapy | With 6 Inspiratory Resistance Levels and 5 Expiratory Resistance Levels | Breathing Exerciser For COPD, Asthma, Pneumonia And Other Respiratory Disorders

B-Arm Deep Breathing Lung Exerciser(I6E5)| Respiratory Muscle Trainer For Respiratory Therapy | With 6 Inspiratory Resistance Levels and 5 Expiratory Resistance Levels | Breathing Exerciser For COPD, Asthma, Pneumonia And Other Respiratory Disorders

Romsons Breazer 5000 Volumetric Respiratory Exerciser 3 Ball Lung Exerciser, Hygenic, Washable Respiratory Exerciser Respirometer,Pack of 1,Multicolor

B-Arm Mucus Removal Device (Green) | Most Effective Mucus Extractor For COPD | Lung Expander Using OPEP Technology, Drug-Free Portable Device For Everyday Use for Adults| Mucus Removal via Cough Stimulation