Perfect air purification for small rooms, children's rooms and individual workspaces the AF 20 air purifier cleans indoor air of allergens, pollutants and pathogens through its multi-layer filter system. Other features include the active carbon fill, as well as a display to alphanumerically indicate the air quality in PM-2.5 particles in g/m and the air quality via a colour code. The air purifier also makes an excellent choice on account of its timer function, child safety lock, night mode and ultra-si... - Manufacturers part number: 10248230