Description
The PulmoGuard N Filters are made for the ndd installed base, and they arrive with Accurette mouthpieces in the box. SDI states they fit most ndd devices without an adapter, and ndd confirms their use does not affect the spirometer warranty. Two pack sizes cover both the 50 count box and the 200 count restock.
About These PFT Filters
ndd spirometers are everywhere in primary care, and their owners need a filter supply that does not put the instrument coverage at risk. This line answers on both counts: the filters fit most ndd devices with no adapter, and per ndd, using them will not affect the spirometer warranty. Filtration performance matches the family standard at 99.999 percent cross contamination efficiency. Each filter comes with an Accurette mouthpiece, the SDI alternate to the ndd Spirette, so the patient side of the circuit is complete in one pack. The transparent housing and pleated media carry over from the wider family design.
Features and Benefits
ndd Fit and Standing
- No adapter fit – Seats on most ndd spirometers directly, per the manufacturer
- Warranty safe – Per ndd, using this filter will not affect the spirometer warranty, a standing few alternates can claim
Complete Circuit
- Accurette included – Every filter arrives with the SDI mouthpiece made as the alternate to the ndd Spirette
- 99.999 percent efficiency – Cross contamination efficiency matches the documented family figure
Product Specifications
Filter Details
- Cross Contamination Efficiency: 99.999 percent
- Media: Pleated
- Housing: Transparent for visual inspection
- Designed For: ndd spirometers (most, no adapter)
- Included Mouthpiece: Accurette
- Warranty Note: Per ndd, will not affect spirometer warranty
- Country of Origin: Made in the USA
Configuration Details
- 29-3101-050: 50 filters with Accurette mouthpieces
- 29-3101-200: 200 filters (4 boxes of 50) with Accurette mouthpieces
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Why Choose the PulmoGuard N Filters?
The coverage question is the first one ndd owners ask about any alternate supply, and this line answers it in writing from ndd itself. Add the included mouthpiece and the filter becomes the complete per patient circuit in one pack.
- Warranty confidence – ndd confirmation that the filter will not affect the spirometer warranty removes the main risk of an alternate supply
- Nothing else to order – the Accurette mouthpiece rides with every filter, a differentiator over filter only packs
- Adapter free – direct seating on most ndd devices keeps setup to one motion
Frequently Asked Questions
Will these filters affect my ndd warranty?
No. Per ndd, using the SDI filter on their spirometers will not affect the spirometer warranty, per the manufacturer.
Do they fit all ndd models?
SDI states the filters fit most ndd devices without an adapter. Check your model fitting if your instrument is an unusual configuration.
What mouthpiece is included?
Each filter comes with an Accurette mouthpiece, the SDI alternate to the ndd Spirette.
What pack sizes are offered?
A 50 count box and a 200 count option packed as four boxes of 50.
Is this the genuine SDI product?
Yes. These are genuine SDI Diagnostics filters under part numbers 29-3101-050 and 29-3101-200, made in the USA.
