HEPA filters are high-efficiency air filters that are commonly used in air purifiers and HVAC systems. These filters can capture a variety of pollutants, including dust, pet dander, pollen, and even some viruses and bacteria. If you are looking to improve your indoor air quality, using a HEPA filter can be an effective way to do so. It’s essential to choose a filter that is sized correctly for your device and to replace it regularly.