Product name: Innjoo Pro Air Purifier, Hepa H11 Filter and Activated Carbon, Area: ≤ 45~55 M² Comp Alexa and Echo. Our air purifiers have been designed with an active phased filtration system, with three layers to capture the particles that pass through the filters and thus eliminate even aerosols that may contain respiratory viruses, as well as of course odors, pollen, poor ventilation, outdoor pollution. Its intelligent system will remind you when to replace these filters optimally, knowing that a filter can last up to 2,200 hours The control is completely tactile and performs its functions in almost total silence, something practically invaluable and not at all uncomfortable for people who share space with the product.