AirLife Volumetric Incentive Spirometer with One-Way Valve, 4000 mL Capacity 55001901A-Each
Posted by Jenn on May 7th 2020
Im very satisfied with the product i bought Airlife incentive spirometer. So happy with my purchase.. very affordable and fast delivery!!
Efficient and inexpensive
Posted by LK on Jan 6th 2018
I'm using this to increase lung capacity. It works great. Inexpensive, lightweight, simple design. Can't beat it.