[Class : 11] Apparatus And Installations For Water Treatment, Purification, Ionization, Mineralization, And Filtration; Water Purifiers; Water Ionizers; Alkaline Water Ionizers; Water Softening Apparatus And Installations; Water Filtering Apparatus And Installations; Reverse Osmosis Water Purification Units; Ultraviolet Sterilizers For Water Treatment; Water Distillation Units; Water Dispensers; Water Coolers; Water Heaters; Filters For Drinking Water; Cartridges For Water Purification And Filtration; Water Sterilizers; Membranes For Water Filtration; Parts And Fittings For Water Purification, Filtration And Treatment Installations; Water Supply Installations; Water Distribution Installations; Water Conditioning Units; Water Quality Control Equipment; Water Desalination Plants; Ion Exchange Installations For Water Purification; Electrolysis Water Purifiers For Household And Industrial Purposes; Mineral Adding Units For Water Treatment; P H Control Systems For Water Treatment; Water Testing Apparatus; Water Level Regulators; Pressure Water Tanks; Installations For Water Recycling And Reuse; Portable Water Filters And Purifiers; Water Treatment Equipment For Household And Industrial Use; Water Purification Installations For Making Potable Water; Apparatus For Descaling Water; Magnetic Water Conditioning Apparatus; Water Disinfection Apparatus; Water Oxygenation Apparatus; Installations For Water Remineralization.