American Educational
American Educational Science First Disposable Mouthpieces 8-Pack -
American Educational Science First Disposable Mouthpieces 8-Pack
- Substantial set is perfect for the classroom
- Economically priced to fit your budget
- Spirometers measure the movement of air in the lungs; these mouthpieces aid in the study of lung capacity
- Disposable mouthpieces make clean up a breeze