Air purifiers are devices that help to improve the air quality in a specific room by removing unwanted particles from the air. They work by combining an internal filter and fan to pull in air and trap various contaminants, such as dust, pollen, bacteria, viruses, and pet dander. The purified air is then circulated back into the room, and the filtration process repeats several times an hour, continually boosting indoor air quality.

Most current portable air purifiers are designed to filter both particles and gases, and they contain multiple filters, one for particles, another for gases, and still more for gases, chemicals, or odors. Some air purifiers include replaceable pre-filters for trapping larger particles, so the HEPA filters are preserved for capturing smaller pathogens.

While air purifiers may not directly or immediately improve a persons health, studies indicate that these devices can help to reduce exposure to harmful pollutants, which may have long-term health benefits. However, an air purifier’s effectiveness varies depending on its filter type and the pollutants present in the space.

In summary, air purifiers work by filtering the air in a specific room to remove unwanted particles, and they can help to improve indoor air quality. However, their effectiveness depends on the type of filter used and the pollutants present in the space.