Air cleaning units; Air purifiers for automobiles; Air purifiers; Air purifying apparatus; Air purifying apparatus and machines; Air sterilizers; Air sterilizers for household purposes; Air sterilizing apparatus; Combination ozone sanitizer and electric deodorizing units; Dispensing units for room deodorants; Electric air deodorizers; Household air cleaners; Ozone generators that kill mold and mildew; Ozone sanitizers for air and water; Plug-in diffusers for air deodorizers; Shoe sterilizers ...