Description
Vitalograph one-way valve mouthpieces for use with peak flow meters and spirometers. The low cost, low resistance SafeTway mouthpiece allows entry of expired air into the measuring system, but not back to the test subject.
Features:
Features:
- Completely disposable
- Simple, yet effective patented design prevents concerns of accidental inhalation of pathogens
- Inexpensive alternative to the bacterial viral filter for expiratory only testing
- Fits most pulmonary function test equipment, including peak flow meters
- An adaptor may be required
117417
40002854
