Cardboard Mouthpieces


Cardboard Mouthpieces are an inexpensive alternative to the bacterial viral filter for expiratory only testing. This product fits most pulmonary function test equipment, including peak flow meters. An adaptor may be required. Product is also available for pediatric use or for elderly test subjects who have difficulty fitting their mouth properly around the standard mouthpiece size.

  • Protect the subject from cross-infection
  • One-way valve prevents inhalation respiratory maneuver
  • Suitable for expiratory maneuvers with peak flow meters and spirometers
  • Completely disposable
  • Variety of sizes available

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