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.
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
29-7990-050 Disposable Filter, For Use With: Spirometer ; SDI Diagnostics ; AstraGuard ; 297990050 ; Respiratory Accessories