11 hydrogen purification membranes for hydrogen generators; water purification and filtration units for commercial use; water purification machines for domestic use; Portable hydrogen water purifier units, water filtration and purification units and replacement cartridges and filters therefor; portable water filtration apparatus for the deionization of water; water filtration bottles sold empty; water ionizers; filtering units for water in the nature of water filters for domestic use, namely, hydrogen infusers in the nature of hydrogen water generators, portable water purifying apparatus and machines, portable water purifying apparatus, portable water purification machines, water purifying apparatus for household purposes