SafeTway One-way Mouthpiece
Pack of 200.
The SafeTway One-Way Mouthpiece is disposable and comes in a pack of 200. The SafeTway One-Way Mouthpiece is a low resistance mouthpiece that allows entry of expired air into the measuring system, but not back into the test subject. The calculated design of this product prevents the patient from cross-infection by accidental inhalation of pathogens. Exhalation only.