SDI’s Filtrette is the new, safer alternative to the ndd® Spirette™. This mouthpiece provides infection protection for spirometry testing.  The Filtrette incorporates a highly efficient single-patient filter that virtually eliminates cross-contamination from patient to patient and from patient to healthcare professional. 

Using the Filtrette will not affect your spirometer warranty!

Filtrette Features

• Lower cost
• Reduces risk of cross-contamination for patients and health care professionals
• Decreases time spent disinfecting equipment
• Offers low resistance to air flow
• Features small, non-threatening size
• Has a comfortable oval mouthpiece