A Carolina Best Buy! The Carolina™ Student Wet Spirometer is a classic physiology instrument used to determine pulmonary volumes and capacities. Durable and economically priced, this precision water bell spirometer has a 9-L capacity. It allows students to make easy and accurate measurements of vital capacity (VC), tidal volume (TV), inspiratory reserve volume (IRV), inspiratory capacity (IC), expiratory reserve volume (ERV), and expiratory capacity (EC).

Made of lightweight, corrosion-resistant materials, it is easy to set up and keep clean. Includes instruction manual and 100 Disposable Mouthpieces.

Advantages of a wet spirometer:

• Movement of water bell gives students a visual representation of the respiratory activity being measured
• Large enough to use for a classroom demonstration or by teams of students
• Provides most accurate direct measurement of respiratory activities