Industrial-water purifying apparatus; Sewage treatment plants; Slurry treatment units for stabilizing and sanitizing slurry; Swimming pool water cleaning and filtering units; Water ionizers; Water purification and filtration apparatus; Water purification installations; Water purification tanks; Water purification units; Water purifiers; Water purifying apparatus; Water purifying units, for potable water for swimming pools and spas, household water supplies, municipal water supplies, rural water supplies, industrial water supplies, air conditioning water towers, water storages, namely, dams, ponds, lakes, canals, irrigation channels, wells, drains, sporting applications; Water softening apparatus and installations; Water softening units; Water sterilisers; Water sterilizers; Water treatment equipment, namely, cartridge filtration units; Water treatment equipment, namely, chemical sterilization units; Water treatment equipment, namely, reverse osmosis filtration units; Water treatment equipment, namely, ultraviolet sterilization units
Environmental Control Apparatus