Accurate Lung Capacity Assessment : Measure and improve your lung function with our 5000ml capacity breathing exercise device, offering comprehensive insights into your respiratory health. Enhance Lung Exercise : Strengthen your lungs and boost oxygen intake through regular use of our device, promoting deeper, more efficient breaths that enhance overall lung strength. Flexible Usage : The extendable corrugated hose and adjustable target slider ensure personalized sessions, catering to the unique needs of each user for an effective breathing experience. Easy Maintenance : With a removable mouthpiece and built-in filter, our device simplifies cleaning and maintenance, keeping your device hygienic for daily use. Educational Resource : Includes therapeutically developed breathing exercises, making it a valuable tool for occupational therapy and speech therapy professionals. Unlock your lung's full potential with our Lung Strength Trainer. A humorous take on the traditional spirometer, our device transforms breathing exercises into a fun and engaging activity, making lung capacity improvement a joy rather than a chore. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store