Introducing the innovative 3 ball spirometer, a device that measures lung capacity and helps improve respiratory function. At our factory, we specialize in creating high-quality spirometers that are easy to use and effective. Our 3 ball spirometer is designed with three chambers that provide a visual indication of deep breathing and lung capacity. It's perfect for individuals with asthma, COPD, or those recovering from respiratory illnesses. This product is lightweight and portable, making it easy to use at home or on-the-go. With regular use, our 3 ball spirometer can help increase lung capacity, improve oxygen intake, and reduce symptoms of respiratory distress. Trust our factory to provide you with reliable and effective respiratory care products that are affordable and durable.