Air filters for mechanical purposes; Automatic swimming pool cleaners and parts therefor; Brushes for vacuum cleaners; Dust filters and bags for vacuum cleaners; Electric vacuum cleaners and their components; Extensions for power tools; Hoses for vacuum cleaners; Pads for floor polishing machines; Parts for compressed-air tools, namely, brakes, filters, hoses, pipes, couplings valves, switches, compressors, clamping tools and injectors; Suction nozzles for vacuum cleaners