Nine-Liter Wet Spirometer, Specially Designed To Meet The Needs Of Today'S Physiology Teachers, Pack Of 100

Details:

This academic-quality wet spirometer combines reliability and accuracy with an increased volume to accommodate students with larger lung capacities.Large, easy-to-read scale graduationsincludes disposable mouthpieces and a one-way plastic valve for sanitary classroom usemade of lightweight, yet durable, high-density polyethylene (hdpe) plastic and aluminumdetermine five different respiratory volumes:tidal volume (tv)inspiratory capacity (ic)inspiratory reserve volume (irv)expiratory reserve volume (erv)vital capacity (vc)