electric coffee pots; drinking fountains; kettles, electric; refrigerating apparatus and machines; ice machines and apparatus; reverse osmosis units; membranes for reverse osmosis units; water softening apparatus and installations; water filtering apparatus; water purifying apparatus; water purifying apparatus for household purposes; water sterilizers; water purification machines; water purification installations; filters for drinking water; water purifying apparatus and machines; water purification and filtration apparatus; water filtering units; water purification units; filters for water filtering apparatus; replacement cartridges for water treatment systems