Expiratory One Way Valve Mouthpieces Adult

Disposable Expiratory One-Way Valve Mouthpieces

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These mouthpieces are suitable for use with most spirometers and peak flow meters. They are made from disposable cardboard and prevent patients inhaling during a peak flow or spirometry test. They reduce the risk of cross-infection between patients. When used correctly the mouthpieces help ensure readings are accurate.

Specifications:

• Single Use
• Pack of 200
• Diameter of 30mm