PVC Portable Respiratory Exerciser is used to strengthen respiratory musculature and help restore or maintain lung capacity by encouraging a slow and deep breathing. It is designed with 3 stage chambers to provide more efficient exercise to patient at a step up basis. Each chamber contain spheres of different sizes, weight and color. It is made in conformity with set quality requirements using optimum great quality raw content with the aid of contemporary machines. Furthermore, this PVC Portable Respiratory Exerciser is provided by us at very reasonable price.