Air humidifying apparatus; Air purification units; Air purifiers; Air purifying apparatus; Air purifying apparatus and machines; Air sterilisers; Air sterilizers for household purposes; Air sterilizing apparatus; Air washers; Electric air deodorizing apparatus; Humidifiers for household purposes; Humidifiers for household use; Misting systems for outdoor cooling; Sterilization units for dental purposes; Vehicle-mounted air purifying apparatus