AIRLIFE Volumetric Incentive Spirometer W/ one-way valve 4000ml flexible Tubing W/ Mouthpiece Holder

AIRLIFE Volumetric Incentive Spirometer W/ one-way valve 4000ml flexible Tubing W/ Mouthpiece Holder

Improve lung function and capacity with AIRLIFE's Volumetric Incentive Spirometer. This device features a one-way valve and 4000ml flexible tubing for accurate measurements and a mouthpiece holder for convenience. Increase respiratory strength and improve breathing efficiency.