The AirLife Volumetric Incentive Spirometer with One-Way Valve is a handheld device designed for individuals to practice deep breathing exercises and improve their lung capacity. With a capacity of 4000ml, this spirometer provides accurate readings and encourages users to take slow and deep breaths. The one-way valve ensures that air only flows in one direction, making it easy to use and effective for improving respiratory function. The AirLife brand is known for producing high-quality medical devices, making this spirometer a reliable option for those looking to enhance their respiratory health. NEW sealed packaging
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