Made from top quality material.
Universal for each type of spirometer.
Environmental protection material, grinding surface, rounded lines, according with ergonomic design.
Excellent quality of products is essential for all educational bureaus, schools, hospitals and medical centers.
The socket is ring-shaped to prevent leakage.
1Set x Alcohol tester mouthpiece
Please allow slight dimension difference due to different manual measurement.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.