Air filtration installations; apparatus for the filtration of aquaria; apparatus for use in the filtration of aquaria; appliances for water filtration (other than machines); aquarium filtration apparatus; electrostatic filters for water filtration; filtration apparatus for industrial purposes; installations for water filtration; installations relating to membrane filtration technology; membranes for the filtration of water; portable filtration apparatus for filtering air (other than machines); portable filtration apparatus for filtering water (other than machines); portable filtration units (other than machines); water filtration apparatus; water filtration installations

Filtration materials of semi-processed films of plastic; filtration materials of semi-processed foams of plastic; materials for use in filtration (semi-processed films of plastic); materials for use in filtration (semi-processed foams of plastic); synthetic padding to be used for filtration in filters

Aerated (or carbonated) non-alcoholic drinks,