Filtrette System


The Accurette™ mouthpiece is the perfect replacement for the ndd Spirette™.

Identical Quality • Same Results • Better Price!

  • No adapters needed
  • No protocol changes
  • 100% visual inspection
  • Same look


SDI has been supplying high quality spirometer products for 35 years. Use of the Accurette™ will not affect your spirometer warranty.

Available in 50/dispenser box and 200 bulk with dispenser box





Contact Information


SDI Diagnostics
Ten Hampden Drive
Easton, Massachusetts 02375
Phone: (800) 678-5782
Fax: (508) 230-2752 

SDI Diagnostics