Lung Exerciser Device with Steel Balls, Breathing Exercise Device for Lungs, Drug-Free Therapy Mucus Device for Phlegm Relief Clear

Increases Iung Capacity It can increase lung capacity, promotes gas exchange can effectively improve your lung breathability, reduces breathing difficulties, prevents recurrent infections, and improves the quality of life.

Trusted OPEP therapy loosen and remove mucus from the airway.

Three different sizes of balls, which can be trained in stages and gradually improved, you can adjust the pressure depending on your lung capacity, age, and current health.

Easy to Carry you can use this lung health device anywhere.