
HEPA filter
A HEPA filter, or High-Efficiency Particulate Air filter, is a type of air filter that can trap very small particles, including dust, pollen, pet dander, and some bacteria and viruses. To qualify as a HEPA filter, it must remove at least 99.97% of particles that are 0.3 microns in size. These filters are commonly used in air purifiers, vacuum cleaners, and HVAC systems to improve indoor air quality. By effectively capturing airborne pollutants, HEPA filters help create a cleaner and healthier living environment, especially for those with allergies or respiratory issues.