(SUNFLOS) One-ball Incentive Spirometer, Breathing Exercise Device

*Easy to Use with Leading 5000ml Capacity: This Incentive Spirometer combines an integrated molding design for cleaner breaths with a remarkable 5000ml (5 liters) capacity. This extensive range(clear matched from 500-5000ml) allows for precise capacity measurement and thorough health evaluation.

*Flow Rate Indicator& Precise Control: Our distinct flow rate ball can guide your breathing. If the yellow ball rises above the upper limit, you are inhaling too quickly; if it stays below the lower limit, you are inhaling too slowly. Aim to keep the indicator at the smile face in middle positio for optimal breathe level.

*Detachable Design: The flexible tube and mouthpiece design allow for easy adjustment in various positions. After use, they are easy to clean, and the device includes built-in storage space for convenient organization. The removable tube and mouthpiece also easy clean after use and good for hygienic maintenance.

*High-Quality Material: Made from high-quality, break-resistant plastic with no peculiar smell. The compact design integrates a measurement and deep breathing training system, ensuring long-lasting durability and convenient use