What does HEPA stand for?

HEPA stands for High Efficiency Particulate Air, which refers to a type of air filter that can remove at least 99.97% of particles that are 0.3 microns in size from the air that passes through it. This filtration technology is crucial in various environments, including hospitals, laboratories, and firefighting, where the control of airborne contaminants is essential for safety and health.

The designation "high efficiency" indicates the filter’s capacity to capture smaller particles compared to standard filters, making it particularly effective in applications that require clean air free from allergens, dust, and even some pathogens. Understanding this term is vital for firefighters, as they must be aware of the protective equipment and technologies available that aid in maintaining respiratory health during responses to hazardous situations.