Home > More Equipment > Spirometers >

SDI AstraGuard Disposable Spirometer Mouthpieces
SDI AstraGuard Filter
SDI Diagnostics AstraGuard Disposable Spirometer Mouthpieces

Product Code: 29-7990

AstraGuard Quantities:


SDI Diagnostics AstraGuard Disposable Spirometer Mouthpieces

Part Number(s):
29-7990-050 - 50 mouthpieces
29-7990-100 - 100 Mouthpieces
29-7990-200 - 200 Mouthpieces
29-7990-300 - 300 Mouthpieces

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

Browse for more products in the same category as this item:

More Equipment > Spirometers