Appliances for water filtration (other than machines); Apparatus for supplying water; Drinking water supply apparatus; Drinking water supply installations; Water supply apparatus; Water supply installations; Chilled purified water dispensers; Sewerage installations; Water chillers; Chiller units being parts of water cooling installations; Water coolers; Portable filtration apparatus for filtering water (other than machines); Water filtration apparatus; Installations for water filtration; Water filtration installations; Water purification installations; Water purification apparatus; Water treatment apparatus; Installations for the treatment of drinking water; Installations for the treatment (clarifying) of water