[Class : 11] Air Filtering Installations, Air Purifying Apparatus And Machines, Cooling Installations For Water, Desalination Plants, Disinfectant Apparatus, Evaporators, Filters For Drinking Water, Gas Scrubbing Apparatus, Gas Scrubbers 'Parts Of Gas Installations'/Scrubbers 'Parts Of Gas Installations', Ionization Apparatus For The Treatment Of Air And Water, Pipes 'Parts Of Sanitary Installations' / Water Pipes For Sanitary Installations, Pressure Water Tanks, Purification Installations For Sewage, Water Distribution Installations, Water Purification Installations, Water Filtering Apparatus, Water Sterilizers, Water Purifying Apparatus And Machines, Water Softening Apparatus And Installations, Water Supply Installations, Water Intake Apparatus, Watering Installations.