Expiratory One Way Valve Mouthpieces

Expiratory One Way Valve Mouthpieces are designed to fit all Mini-Wright Peak Flow Meters and One Flow Spirometers

  • One Way Valve prevents cross infection between patients as air can only move in one direction
  • Easy to fit and comfortable for the patient
  • Allows devices to be used as multi-patient
  • Low resistance means readings are not affected
  • Paediatric Adaptor is available


One Way Valve Mouthpieces are available in various quantities

Quantities and Part Codes:
Adult Disposable Expiratory One Way Mouthpieces Box of 100 (5x20): 3122062
Adult Disposable Expiratory One Way Mouthpieces Box of 200: 3122064
Adult Disposable Expiratory One Way Mouthpieces Box of 500: 3122066
Paediatric Adaptor Pack of 1: 3122049
Paediatric Adaptor Pack of 20: 3122120