Air purifiers; Air cleaning apparatus; Air purifying apparatus; Electric air purifiers; Separators for scrubbing air; Cyclones [air purifying apparatus]; Air purifiers for automobiles; Filters for air purifiers; Household air cleaners; Air purifying apparatus and machines; Germicidal lamps for purifying air; Air purifying units for commercial use; Air purifying units for household use; Clean air cabinets (Air purification apparatus for -); Clean air booths (Air purification apparatus for -).;