Chemicals for use in industry; chemicals for use in science (other than medical or veterinary); purification chemicals; filtering materials (chemical preparations); water purifying chemicals; water treatment preparations (chemical); chemicals for treating water; chemicals for use in purifying water; chemicals for use in the purification of water; chemicals for the purification of water; chemical products for the purification of water; chemical preparations for use in water purification; chemical preparations for the treatment of water; chemical preparations for use in water treatment; chemical products for the treatment of water; chemical products for use in the treatment of water; chemical products for use as filter media; chemicals for use in clarifying water; chemicals for use in cleaning water; chemicals for use in clearing water; chemical additives for use in the cleaning of water; filtering materials (chemical) for water; filter aids for liquid purification; none of the foregoing being nitric acid.

Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; apparatus for filtering water; water filtration apparatus; membranes for the filtration of water; filter apparatus for water supply installations; installations for water filtering; appliances for water filtration (other than machines); water treatment filters; water purification filters; water filters for industrial purposes; installations for water filtration; filtration apparatus for industrial purposes; machines for water filtering (purifying); filter boxes for water purification; filter installations (household or industrial) for the separation of solids and liquids; filtering apparatus (industrial) for fluids; filtering installations (household or industrial); filters being parts of industrial installations; filters for drinking water; filters for use with apparatus for water supply; filters for water purifiers; domestic water filtering apparatus; domestic water filtering units; drinking water filters; portable filtration apparatus for filtering water (other than machines).