This versatile spirometer is for use in both hospital and settings, supporting single patient, multi-use functionality. It's an ideal choice for patients requiring consistent pulmonary care. With a measurement capacity ranging from 1000 to 5000 cc, this device accurately tracks your progress in lung capacity enhancement, making it suitable for a variety of users with different respiratory needs. The device includes a housing, a responsive ball/piston mechanism, flexible tubing, and a comfortable mouthpiece, ensuring a user-friendly experience for effective respiratory therapy. Designed as an over-the-counter solution, this deep breathing trainer does not require a prescription, allowing immediate access for those looking to improve their breathing and overall pulmonary health. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:As Shown Material:Plastic Package Contents: 1 * breathing exercise device Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.