Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air filtering installations; Air purifying apparatus and machines; Apparatus for filtering drinking water; Electric apparatus for making coffee; Electric beverage heaters; Industrial dehumidifiers; Machine that generates purified water from the atmosphere and simultaneously purifies the air; Tap-water purifying apparatus; Water filtration and purification units and replacement cartridges and filters therefor for ice makers; Water purification machines; Water purifying apparatus; Water softening apparatus and installations; Water treatment equipment, namely, chemical sterilization units; Water treatment equipment, namely, water filtration units and reverse osmosis units