Portex Bacterial / Viral Filters



The Portex Bacterial Viral Filters are designed for use with ventilators, anesthesia machines and open flow systems where filtration of inspired or expired gases is required.


Additional features:

  • Method of filtration: electrostatic attraction, torturous path, depth
  • Bacterial efficiency 99.9999%
  • Viral efficiency 99.9999%


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More Information

  •  Patient end: 15 mm ID x 22 mm OD
  • Circuit end: 22 mm ID
  • Made of electrostatically-charged polypropylene
  • Weight: 32 grams
  • Dead space: 44 mL


Questions and Answers


Can the Portex Bacterial Viral Filter be used with a BVM & CPAP device?

Anonymous- On Tuesday, 10 November 2020


The Portex Bacterial Viral Filter can be placed on a BVM or CPAP device with a standard 15mm ID x 22mm OD connection. However, you should always consult with your medical director / local protocol prior to using a filter this way.

Forrest U.- answered On Tuesday, 10 November 2020

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