Spare Mouthpieces for Lung Kit Pack of 8
Spare Mouthpieces for Lung Kit Pack of 8
Mouthpieces for use with the special bag for measuring the volume of the lungs is used to measure the vital capacity, the volume of air that a person can expel after taking the largest (deepest) possible breath.
8 Spare Mouthpieces for Lung Kit for the Respiratory Control (Spirometry) set.