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