The AirTube mouthpiece is great
replacement for the ndd FlowTube™
Excellent Quality * Same Results * Better Price
Using the SDI AirTube will not affect your
spirometer warranty!
AirTube Features:
• Lower cost
• Prevents cross-contamination-Individually wrapped
• Accurate test results certified
via device calibration tests
Available in boxes of 50 or Cases of 200. Spirometer in the picture is not included.
