Bacterial/Viral Filter

A bacterial viral filter is a critical component used in respiratory care to prevent the transmission of harmful pathogens. It acts as a barrier between the patient and medical equipment, such as ventilators, anesthesia circuits, or manual resuscitation bags. By trapping airborne bacteria and viruses, this filter helps protect both patients and healthcare workers from cross-contamination.

These filters use electrostatic or mechanical filtration—sometimes both—to achieve high-efficiency pathogen capture. Most models are designed to remove over 99.99% of airborne particles, including bacteria and viruses, without significantly increasing airflow resistance. As a result, they provide effective infection control while maintaining normal respiratory function.

The filter is typically constructed from lightweight, medical-grade plastic and contains a pleated membrane or electrostatic medium. It features standard 22mm and 15mm connectors, making it compatible with a wide range of respiratory devices. In addition, many versions are equipped with heat and moisture exchange (HME) properties, which help maintain proper airway humidity and temperature during mechanical ventilation.

A bacterial viral filter is single-use and disposable, which supports hospital infection control protocols and reduces cleaning and sterilization time. Its compact size makes it easy to handle and install in tight setups, including portable ventilators or transport systems.

Healthcare professionals use these filters in ICUs, operating rooms, ambulances, and home ventilation systems. They are especially valuable in settings where patients are immunocompromised or when treating airborne infectious diseases.

Because they play a key role in preventing nosocomial infections, bacterial viral filters are often recommended by infection control teams and regulatory bodies. Their high filtration efficiency, low resistance, and universal fit make them an essential part of modern respiratory therapy.

Reliable, efficient, and easy to use, the bacterial viral filter ensures safety in every breath—making it a must-have for any setting where respiratory protection matters.