11 Refrigerating and freezing apparatus and installations, refrigerators, freezers, cold and hot water dispensers in the nature of heating and cooling apparatus for dispensing hot and cold water, and components thereof; household apparatus for the production of carbonated water and beverages, namely, water ionizers; appliances and installations for water treatment, namely, water treatment apparatus, water sparkler in the nature of a water saving aerators for faucets, and water filter; installations and filters for water sterilization, removing bacteria and viruses, all in the nature of water sterilizers; water purifying apparatus, filters for drinking water; membrane filters for microfiltration, ultrafiltration, nanofiltration and reverse osmosis in the nature of apparatus for filtering drinking water; components and accessories specifically adapted for apparatus and installations for water treatment, in particular filter disks, bags containing ion exchangers and activated carbon; water treatment devices and installations, namely, cartridge water filtration units, chemical sterilization units, reverse osmosis water filtration units and ultraviolet water sterilization units, and components thereof; water filtering apparatus, water treatment systems, namely, water bars used as water filtration units, and components thereof; drinking water automat, namely, water coolers and water conditioning units for filtering and softening waters, and components thereof; water filters and water filtration apparatus based on membrane technology, reverse osmosis technology, UV technology, ozone technology, carbon technology in particular with activated carbon blocks in the nature of water purification and filtration apparatus; water filters and water filtering apparatus for microbiological sterilization in the nature of water purification and filtration apparatus; pressure-driven water filters, gravity water filters, suction water filter cartridges, hand-operated water filter cartridges, water filter cartridges with a sunken filter mechanism, water filter cartridges with ion exchangers, and components thereof, and/or adsorbents included in this class, all in the nature of water filtration and purification units and replacement cartridges and filters therefor; filters for water kettles, coffee machines, tea machines, espresso machines, samovars, rice cookers, large catering apparatus, ice machines, combination steamers, steam cookers, ovens, percolators, refrigerators, refrigerating apparatus, apparatus for mixing beverages, cold drink dispensers, kitchen fittings, except for filters for machines and engines, all in the nature of water filters; taps with integrated filter systems, all in the nature of tap-water purifying apparatus; water dispensers, cooled beverage dispensers, all in the nature of refrigerated beverage dispensing units; beverage dispensers, except vending machines, all in the nature of refrigerated beverages dispensing units; automatic water treatment equipment with automatic cut-off fitted with consumption indicators, fittings, filters, units for the mineralization of water, heating devices, cooling devices, flavoring devices, carbon dioxide devices, all in the nature of water treatment equipment, namely, water filtration units; water treatment installations consisting of the aforesaid apparatus, in the nature of electrostatic water treatment apparatus, and components thereof; electric kettles; cooling devices for beverages for household use in the nature of beverage cooling apparatus