This a box of 100 indvidually wrapped filters for the NDD AIR Spirometer. It attaches on the bottom of the FlowTube. The opening is a rectangle to fit on the Flowtube.
- Helps keep the ambient environment clean for both patients and healthcare professionals
- Meets the 2019 ATS/ERS spirometry standards for accuracy
- Provides an optimal fit which leads to minimal resistance and high-quality results
- Enjoy optimal filter efficiency and accuracy
Filter properties, tested at Nelson Labs (US)
• Bacterial Filtration Effrciency (BFE): 99.99%
• Viral Filtration Effeciency (VFE): 99.99%
Filter pad material: Electrostatic Fibers
Dead space: ≤ 60 ml
Resistance: ≤ 1.5 cm H2O s/L
Waveform test
• Passes ISO 26782 waveform testing required by ATS/ERS (2019)
