Air purifiers are used as the tool that removes dust, pollen, dander, and other tiny particles from the air and purifies it. It is usually equipped in places where someone is suffering from MCS (Multiple Chemical Sensitivities) or in the room you spend the most time.
VOC air purifiers
VOC (Volatile Organic Compounds) air purifiers get designed mainly to reduce exposure to contaminants and VOCs. Health gets hugely affected by short-term or long-term exposure to gas contaminants