
Bacterial / Viral Filter Astraguard™
- Provides virtually perfect infection protection for expiratory and inspiratory spirometry testing
- 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
- 99.9% bacterial and viral efficiency
- Low resistance to air flow
- Small, non-threatening size
- Comfortable oval mouthpiece
- Provides virtually perfect infection protection for expiratory and inspiratory spirometry testing
- 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
- 99.9% bacterial and viral efficiency
- Low resistance to air flow
- Small, non-threatening size
- Comfortable oval mouthpiece
Description
- Provides virtually perfect infection protection for expiratory and inspiratory spirometry testing
- 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
- 99.9% bacterial and viral efficiency
- Low resistance to air flow
- Small, non-threatening size
- Comfortable oval mouthpiece












