Air filters for mechanical purposes; Brushes for vacuum cleaners; Central vacuum cleaning installations; Dust exhausting installations for cleaning purposes; Dust filters and bags for vacuum cleaners; Dust removing installations for cleaning purposes; Electric fan units for vacuum cleaners; Electric machines and apparatus for carpet shampooing; Electric vacuum cleaners and their components; Fitted covers for swimming pool vacuum cleaners; Hoses for vacuum cleaners; Robotic vacuum cleaners; Su...