[Class : 11] Manufacturers Of Water Purifying Apparatus, Industrial Water Purifying Apparatus, Installations For Water Purification, Water Purifying Units For Producing Potable Water, Water Purifiers, Water Purifying Units, Water Purifying Installations, Purification Machines (Water ), Water Purification Tanks, Filters For Water Purifiers, Waste Water Purification Units, Water Purifiers For Household Purposes, Water Purification, Desalination And Conditioning Installations, Reverse Osmosis (Ro) Units, Reverse Osmosis Filtration Units [Water Treatment Equipment], Reverse Osmosis Membrane Filters For Water Treatment, Reverse Osmosis Elements For Reducing The Salt Content Of Water, Reverse Osmosis Elements For Reducing The Brackishness Of Water, Sewage Treatment [Purification] Installations, Purification Apparatus For Sewage, Biological Reactors For Clarifying Industrial Effluents