- Filtered mouthpiece direct fit with ndd Air Spirometer
- Protect yourself and your patient from inhaling potentially harmful pathogens. 99.9999% bacterial/viral filtration
- 100% recyclable Polypropylene
- 50ml dead space
- 0.71 cmH20/l/s Resistance at 12 L/s does not effect spirometer measurements
- Sold in cases of 100 mouthpieces
- Ask about volume pricing
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