Lung Volume Bag Sets

This set is a simple and inexpensive tool that measures vital capacity.

• Set measures vital capacity
• Set also compares effects of height, age, smoking, and more
• Four mouthpieces included
• Simple
• Inexpensive

Vital capacity is the volume of air a person can expel after taking the deepest possible breath.

This set can also be used to compare effects of height, age, physical activity, and smoking.

 : This kit includes four holders, four mouthpieces, and four heavy-gauge plastic bags calibrated to 6 L.