Air purifiers are devices that clean the air of pollutants in a given area, enhancing the air we breathe indoors. They are especially advantageous for people with allergies, asthma, or other respiratory issues as they can drastically decrease the levels of allergens, pollutants, and irritants in the air. https://sites.google.com/view/levoitairpurifiervital200s/blog/running-all-the-time/