High-Filtration Efficiency. Tested specifically with the Orbit™ Spirometer Pre-Calibrated Mouthpieces. The VB Filter for Orbit™ Spirometer provides a high degree of protection for the patient as well as your testing equipment, while its low resistance allows for accurate testing results

Features and Benefits

• Viral filtration efficiency: > 99.99%
• Bacterial filtration efficiency: > 99.999%
• Resistance to flow:
  • 0.75 cm H2O L•sec-1 @ 14 L•sec-1
  • 0.66 cm H2O L•sec-1 @ 12 L•sec-1
• Exceeds ATS and ERS standards
• Membrane protects electrostatic filter media
• Effective dead space: 45 ml
• For single-patient, single use only
• Free of latex, PVC, DEHP, BPA
• Comes in a box of 100