Vitalograph Safe Tway Mouth Piece
Vitalograph Safe Tway Mouth Piece
- For use with peak flow meters and spirometers
- One-way valve prevents accidental inhalation
- Completely disposable
- Low cost alternative to BVF for expiratory testing
- For use with peak flow meters and spirometers including Alpha and COPD screening device
- Available only in packs of 200
| Brand | Vitalograph |
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