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Aquarium filtration apparatus; Water purifying apparatus and machines; Water filtering apparatus; Water filters; Filters for use with swimming pools; Filters for ponds; Filters for use in aquariums; Electrostatic filters for water filtration; Filters for drinking water; Filters for industrial installations; Strainers for water lines; Filters for drinking water; Water filtering apparatus; Water filtering apparatus; Water filtering apparatus; Water filtering units; Water filtering installations; Filters for water purifiers; Water treatment filters; Apparatus for filtering drinking water; Water filtering installations; Membranes for the filtration of water; Water filters for industrial purposes; Filter boxes for water purification; Industrial installations for filtering liquids; Filter apparatus for water supply installations; Filters for sanitary water distribution apparatus; Water filtering apparatus for industrial use; Water filtering apparatus for domestic use; Cartridge filtration units [water treatment equipment]; Water purifying apparatus; Filters for water purifiers; Membrane purifying apparatus for the purification of water; Water purifiers for industrial use; Water purifiers for household purposes; Water purification installations; Water purification installations; Water purifying apparatus; Ionization apparatus for the treatment of air or water; Air treatment equipment; Ionization apparatus for the treatment of air or water; Ionization apparatus for the treatment of air; Accelerated ion devices [for treating the air]; Ionization apparatus for the treatment of air or water; Humidifiers; Air dryers; Air sterilizers; Dehumidifiers; Air purifiers; Electric air purifiers; Ionization apparatus for the treatment of air or water; Air cleaning apparatus; Air cleaning apparatus; Air cleaning apparatus; Air circulation apparatus; Filters for air purifiers; Air sterilising apparatus; Household air cleaners; Industrial air purifiers; Air purifying apparatus; Air cleaning apparatus; Air purifying apparatus; Air sterilizers for household purposes; Air filters for industrial installations; Air filters for industrial use; Air filters for household use; Germicidal lamps for purifying air; Installations for air extraction; Ionising brushes for the treatment of air; Heating, ventilating, air conditioning and purification equipment (ambient air); Sterilizers; Air sterilizers; Sterilizers for industrial use; Sterilizers [not for medical purposes]; Water sterilizers; Water ionizers; Water-treatment and air-conditioning installations; Air-sanitisers; Water-sanitisers; Water sterilizers; Ion generators for water and air treatment; lamps; Table lamps; Lighting apparatus