Water treatment apparatus; Apparatus for disinfecting water; Apparatus for filtering water; Apparatus for purifying water; Apparatus for supplying water; Apparatus for the decontamination of water; Apparatus for waste water purification; Apparatus for water filtering; Apparatus for water purification; Apparatus for water supply; Apparatus for water supply purposes; Devices for the separation of impurities from water (purification); Domestic water filtering apparatus; Domestic water filtering units; Drinking water supply apparatus; Drinking water supply installations; Electrical installations for water supply; Electronic apparatus for the purification of water; Filtering installations for water; Hand held portable water purification apparatus; Industrial waste water purification plants; Installations for conditioning water; Installations for purifying water; Installations for the purification of waste water; Installations for the recycling (purification) of waste water; Installations for the treatment (clarifying) of water; Installations for the treatment of drinking water; Installations for the treatment of industrial waste water; Installations for water filtering; Installations for water filtration; Installations for water purification; Installations for water purifying; Installations for water supply; Installations for water treatment under osmotic process; Machines for processing (purifying) water; Machines for purifying water; Machines for the treatment (purification) of water; Machines for use in the processing (purification) of water; Machines for water filtering (purifying); Waste water treatment apparatus; Waste water treatment installations; Water conditioning apparatus; Water conditioning installations; Water disinfection apparatus; Water filtering apparatus; Water filtering apparatus for domestic use; Water filtering apparatus for industrial use; Water filtering installations; Water filtration apparatus; Water filtration installations; Water purification installations; Water purification machines; Water purifying apparatus and machines; Water purifying installations; Water sterilisers; Water sterilising apparatus; Water supply installations; Water treatment apparatus for water purification; Water treatment units