Professional of Breathing Exerciser,Respiratory Prouducts manufacturers. Specialize in manufacturing Respiratory exerciser in China. Respiratory exerciser 1. It can helps the patient to recover normal respiration after a chest or abdominal surgery 2. Three chamber design allows the patient to lift the balls without any resistance to achieve the maximum volume in minimum time 3. Three chamber design helps the patient in monitoring their development 4. The small-size design proves economical in maintenance and storage costs