Vacuum cleaner attachments for cleaning homes using central vacuums; Vacuum cleaner attachments for disseminating perfumes and disinfectants; Vacuum cleaner hoses; Vacuum cleaners; Vacuum cleaners for household purposes; Vacuum cleaners for industrial purposes; Central vacuum cleaning installations; Commercial and industrial vacuum cleaners; Electric vacuum cleaners; Electric vacuum cleaners and their components; Hoses for vacuum cleaners; Suction nozzles for vacuum cleaners