20242 - SafeTway® Mouthpieces with one-way Valve (200 pcs.)
Primary Features
- SafeTway Mouthpieces with Patented One-Way Valve
- For expiratory only lung function measurements
- Also ideal for use with peak flow meters
- Suitable for use with spirometers from Vitalograph, Micro Medical, MIR, Cosmed, Clement Clarke
Additional Features
- 200 included with purchase