The SDI AstraGuard Bacterial/Viral Filter provides virtually perfect infection protection for expiratory and inspiratory spirometry testing. Its single-patient use greatly reduces costly and time-consuming disinfection procedures. For SDI Astra series spirometers. FO300.
This easy-to-use disposable mouthpiece incorporates a highly efficient woven filter that virtually eliminates cross-contamination from patient to patient and from patient to health care professional.
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AstraGuard Features:- 99.9% Bacterial and viral efficiency
- Low resistance to air flow
- Small, non-threatening size
- Comfortable oval mouthpiece
- Reduces risk of cross-contamination
- Less time spent disinfecting equipment