Apparatus for sanitary purposes; apparatus for water supply; sanitary installations; urinals; apparatus for controlling the flow of water to urinals; automatic flushing installations for urinals; flushing apparatus for urinals; urinal sanitiser units; plumbing components for release of a biological product from the waste outlet of a urinal to reduce odours; components for odour reduction in urinals; fittings for use in plumbing installations to assist in odour reduction; odour reduction fittings and apparatus for sanitary applications; odour reduction fittings and apparatus for urinals; toilets; bidets; showers; sinks; basins; regulating and safety accessories for water apparatus and pipes; water-pipes for sanitary installations; and parts and accessories in this class for all of the aforementioned goods