This is a box of 50 Spiro Filters and Spirette Adapters designed to be used with the Ndd Easy-On and Easy One Spirometers. This filter does not fit the NDD AIR or Ndd Pro or Pro Lab spirometers and PFT's. These filters are recommended by Ndd for bacteria and Viral Filtration. You simply place the adapter on the bottom of the Spirette and insert the larger end of the filter into the adapter(see Photo). Each Filter is individually wrapped, and the Spirette Adapters come in a bag of 50.
- Disposable: Single-patient test/session use
- 99.999% Bacterial filtration efficiency
- 99.99% Viral filtration efficiency
- Low dead space: 45 mL
- VBMax Standard PFT Filters include a paper mouthpiece
- 50 Filters per case and 50 Spirette Adapters
- Exceeds ATS/ERS Guidelines
