PulmoGuard N Filters for ndd™ Spirometers

Filter that fits most ndd™ devices without an adapter.

During a Pulmonary Function Test, bacteria and viruses can be expelled, posing serious risk to patients and health care workers alike. With a cross-contamination efficiency of 99.999%, Pulmoguard is safe, highly efficient…and very affordable.

• Meets ATS air resistance standards
• Pleated media for better functionality
• Compact, non-intimidating design
• Transparent for easy, 100% visual inspection
• Fits most spirometers with no adapter