Apparatus for filtering water; Apparatus for the separation of liquids being water filtering apparatus; Apparatus for water filtering; Domestic water filtering apparatus; Appliances for water filtration (other than machines); Installations for water filtration; Membranes for the filtration of water; Heads for showers; Shower heads; Shower heads being parts of water supply installations; Spray heads for showers; Hand held showers; Hand showers; Hand sets being shower fittings; Shower bath fittings; Shower fittings; Showers; Shower valves; Spray handsets for showers