Lung Volume Measuring Kit Set of 4

The Lung Volume Measuring Kit is used to measure vital capacity, the volume of air a person can expel after taking the deepest possible breath.

The volume of air trapped in the bag is represents a person's lung volume, measured in litres, though a small portion of air always remains in the lungs. Comparisons can be made between a person's lung volumes and factors like height, age, physical activity and smoking habits. 

The Lung Volume Measuring Kit Set of 4 Includes:

• 4 x durable plastic bag calibrated to 6 litres
• 4 x mouthpieces
• 4 x mouthpiece holder
• 4 x rubber bands