11 Filters for ponds; Filters for aquaria; Filters for aquariums; Filters for swimming pools; Filters for use in aquariums; Filters for use with swimming pools; Installations for water filtering; Apparatus for water supply; apparatus for use with ponds and aquaria; lighting apparatus; underwater lights; water aerating apparatus; water filtering and water purifying apparatus; water softening apparatus and machines; water heaters; fountains, fountain jets, spray rings; electrical fittings and connectors; plugs, sockets; parts and fittings for all the aforementioned goods; Installations and apparatus for treatment, filtration and purification of water; water sterilisers; water clarifiers; water aerators, pumps and filters for ponds and aquaria; magnetic and ultra-violet water treatment apparatus; parts and fittings for all the aforesaid goods; Fittings for sanitary installations, water pipes, fountains, water treatment apparatus, water filtering apparatus, waste water treatment apparatus, including control apparatus for all the aforesaid goods; pond filters, aquarium filters, fountain filters and parts for the aforesaid goods, fountains and fountain displays for public installations, gardens, balconies and interior spaces, and water fountains, nozzles, filter devices, basins for fountains, consoles for fountains and lighting devices; lighting apparatus for aquariums; rinsing apparatus and compressed water purifying apparatus, drinking basins; all aforesaid goods in Class 11 not having an obvious or intended use in the production, dispensing or delivery of potable drinking water for human consumption