The RM01-040 Three Balls Incentive Spirometer Medical Breathing Exerciser is a high-quality respiratory therapy device designed to help improve lung function. As a factory, we take pride in manufacturing this product with the utmost care and using only the highest-quality materials to ensure durability and reliability. With its three distinct breathing balls, this spirometer allows users to track their progress and monitor their lung function with ease, making it a valuable tool for patients recovering from surgery, suffering from respiratory conditions, or simply looking to improve their overall lung health. Whether you're a healthcare provider seeking a reliable respiratory therapy device or an individual looking to take control of your lung function, the RM01-040 Three Balls Incentive Spirometer is the perfect solution.