Volumetric Incentive Spirometer

AirLife® volumetric incentive spirometers simplify deep breathing therapy with an intuitive design that prompts patients to correctly perform and monitor their own breathing exercises, even without direct supervision. A patient goal indicator can be adjusted and allows patients to monitor their own progress. Dual-sided calibrations allow clear, legible identification of volumes of up to 4000 ml. Constructed of sturdy plastic and compact for convenient use and storage. Without one-way valve.