11 Air purification units; Filtering units for Domestic, industrial, commercial; Filters for drinking water; Industrial-water purifying apparatus; Machine that generates purified water from the atmosphere and simultaneously purifies the air; Oxygen generator for processing water by increasing oxygen content in the water; Ozone sanitizers for air and water; Tap-water purifying apparatus; Water distillation units; Water filtering apparatus; Water filtering units for domestic, industrial, commercial use; Water filters; Water filtration apparatus for the deionization of water; 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 domestic, industrial, commercial use; Water sterilizers; Water treatment equipment, namely, cartridge filtration units; Water treatment equipment, namely, reverse osmosis filtration units; Water treatment equipment, namely, ultraviolet sterilization units