Box of 300
Bacterial/Viral Filter for Pulmonary Function Testing
The 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.
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.
AstraGuard PFT Filter 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
The AstraGuard PFT Filter is
designed to fit all Astra Spirometers.
Cross-section of filter
Shows placement of interior media.
Edge of media is bonded to exterior
housing to form tight seal.
Interior filter media
Woven material is tailored to fit