![Amazon.com: Vyaire Medical AirLife Volumetric Incentive Spirometer with One-Way Valve, 2500ML, Case of 12, 001903A : Industrial & Scientific Amazon.com: Vyaire Medical AirLife Volumetric Incentive Spirometer with One-Way Valve, 2500ML, Case of 12, 001903A : Industrial & Scientific](https://m.media-amazon.com/images/I/71TaSp6Dj1L.jpg)
Amazon.com: Vyaire Medical AirLife Volumetric Incentive Spirometer with One-Way Valve, 2500ML, Case of 12, 001903A : Industrial & Scientific
![AirLife Volumetric Incentive Spirometer with One-Way Valve, Ball Indicator, 4000 mL, Adult, 1 Count - Walmart.com AirLife Volumetric Incentive Spirometer with One-Way Valve, Ball Indicator, 4000 mL, Adult, 1 Count - Walmart.com](https://i5.walmartimages.com/asr/6a7f32bb-d55d-43dc-9614-e0fe664a9e71.c1469961816afe54563861e8b3d9f904.jpeg)
AirLife Volumetric Incentive Spirometer with One-Way Valve, Ball Indicator, 4000 mL, Adult, 1 Count - Walmart.com
![Visual Obstruction of Flow Indicator Increases Inspiratory Volumes in Incentive Spirometry | Respiratory Care Visual Obstruction of Flow Indicator Increases Inspiratory Volumes in Incentive Spirometry | Respiratory Care](https://rc.rcjournal.com/content/respcare/64/5/590/F1.large.jpg)
Visual Obstruction of Flow Indicator Increases Inspiratory Volumes in Incentive Spirometry | Respiratory Care
![Carefusion Airlife Volumetric Incentive Spirometer Lung Exercise Device ON SALE with Unbeatable Prices Carefusion Airlife Volumetric Incentive Spirometer Lung Exercise Device ON SALE with Unbeatable Prices](https://www.blowoutmedical.com/media/catalog/product/cache/80b61aaac520791686f933f4a9244b10/b/a/bax001902a.jpg)
Carefusion Airlife Volumetric Incentive Spirometer Lung Exercise Device ON SALE with Unbeatable Prices
![Amazon.com: Vyaire Medical AirLife Volumetric Incentive Spirometers, 4000 mL, 001902A (Case of 12) : Industrial & Scientific Amazon.com: Vyaire Medical AirLife Volumetric Incentive Spirometers, 4000 mL, 001902A (Case of 12) : Industrial & Scientific](https://m.media-amazon.com/images/I/71DiGlV6aSL.jpg)