01
Activated carbons; biochemical catalysts; carbon for
filters; filtering materials in the form of chemicals;
filtering materials in the form of unprocessed plastics;
filtering materials in the form of mineral substances;
filtering materials (vegetable substances); all of the
aforesaid goods being other than those for use in motor
vehicles and parts therefor
07
Cartridges for filtering machines; filters as parts of
machines, motors or engines; filters for cleaning cooling
air, for engines, in particular air filters for internal
combustion engines or motors; catalytic converters; all of
the aforesaid goods being other than those for use in motor
vehicles and parts therefor
11
Sewage purification plant; filters (parts of domestic or
industrial facilities); aquarium filtration apparatus; air
filters for air conditioners; filter installations; air
purifying apparatus and machines, in particular filters
being parts for domestic or industrial installations;
filters for air conditioning/ventilating installations;
equipment protective filters; exhaust air filters; filter
for suspended particles, clean room filters; air filters for
domestic or industrial use for removing particles or gases
from the air through adsorption processes, based on plastic
or foam; all of the aforesaid goods being other than those
for use in motor vehicles and parts therefor
17
Filtering materials (semi-processed foams or semi-processed
plastic); plastics, partly processed, in particular carrier
materials for biological water purification of plastic or
foam; absorbers for removing shock waves; all of the
aforesaid goods based on plastic or foam; all of the
aforesaid goods being other than those for use in motor
vehicles and parts therefor