Air filters for ventilation installations and air filters for domestic use and industrial installations; pollen filtering apparatus, namely, air filters for filtering pollen for air conditioning units, for domestic use and industrial installations; air filters for filtering dust for air conditioning units, for domestic use and industrial installations; filters for air conditioning; air filters for air conditioning units; air filters for industrial installations; air filters for domestic use; air cleaning filters as parts of air cleaning machines or installations; air filters for fume extractors for domestic use; air filters for use as dust extractors in industrial processes; air filters for industrial use; air filters for vehicle cabins for air conditioners and for ventilation installations; air filters for exhaust extractors as parts of household or industrial installations; air filters for cleaning gases as parts of household or industrial installations; devices for filtering and purifying the air in vehicle passenger compartments; air purification and filtration apparatus for industrial installations; water filters; filters for drinking water; filters for water purifiers; water treatment filters; water filters for industrial purposes; filters for water purifiers; filters for use with swimming pools; filters for use in aquariums; membranes for the filtration of water; water treatment equipment, namely, cartridge filtration units; filters made of fiber for water filtration; water filtering apparatus; water filtering units