Air purifiers for automobiles; air cleaners with humidification function; air purifiers for household purposes; household air cleaners; electric room deodorizing unit for household purposes; non-electric humidifiers for household use; portable air cleaners; air humidifying apparatus, namely, humidifiers for household purposes; air sterilizers; air purifiers; air purifying apparatus and machines; ionization apparatus for the treatment of air; ionizing apparatus, namely, filters for air cleaner...