Apparatus for filtering water; apparatus for producing hot water; apparatus for purifying water; apparatus for softening water; apparatus for the distribution of water; apparatus for water filtering; apparatus for water purification; chilled purified water dispensers; devices for the separation of impurities from water (purification); domestic water filtering apparatus; domestic water filtering units; drinking water (filters for); drinking water filters; drinking water supply apparatus; drinking water supply installations; filtering installations for water; filters for drinking water; filters for water purifiers; installations for water filtering; installations for water filtration; installations for water purification; installations for water purifying; membrane purifying apparatus for the purification of water; membranes for the filtration of water; reverse osmosis devices for use in water conditioning apparatus; reverse osmosis devices for use in water conditioning installations; water coolers; water cooling apparatus; water filtering apparatus; water purification filters; water purification installations; water purifying apparatus and machines