What is an air purifier and how does it work?

Asked a year ago
An air purifier is a device designed to improve the air quality indoors by removing pollutants and contaminants from the air. It works by drawing in the surrounding air and passing it through a series of filters, where various methods are employed to capture and eliminate airborne particles and impurities. The filters in an air purifier are often made up of multiple layers, including pre-filters, HEPA filters, activated carbon filters, or UV lights, working together to target different types of pollutants. Pre-filters trap larger particles like dust and pet dander, while HEPA filters effectively capture smaller particles such as pollen and mold spores. Activated carbon filters adsorb odors and chemicals, and UV lights help neutralize bacteria and viruses. The purified air is then circulated back into the room, providing cleaner and healthier air for breathing.
Jeff Whelpley is the editor / author responsible for this content.
Answered May 3, 2024

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