breathing exerciser spirometer

Three-ball Breathing Training for Enhanced Respiratory Muscle Strength The three‑ball spirometer is specially engineered to motivate and assist users in performing slow, sustained deep breathing exercises. By visually displaying the height at which the balls rise as the user inhales, this device offers clear, real‑time feedback on lung expansion and inhalation strength, helping users understand how effectively they are filling their lungs. Regular use of this deep‑breathing tool supports better lung expansion, improves respiratory muscle strength, and helps loosen and clear mucus and phlegm from the airways, thereby promoting clearer breathing and healthier respiratory function. Item No: TW1813 Specification: 600ml/900ml/1200ml Product Origin: China Lead Time: 15-20days Payment: T/T, Alipay