Water filters; water purification filters; drinking water filters; water filtering installations; water filtering units; water filtering apparatus; water treatment filters; drinking water (filters for -); apparatus for water filtering; apparatus for filtering water; household tap-water filters; filters for water purifiers; filters for drinking water; domestic water filtering units; water filters for industrial purposes; water filtering units for aquariums; water filters for household purposes; filter boxes for water purification; apparatus for filtering drinking water; filters for water release devices; electrostatic filters for water filtration; filter apparatus for water supply installations; water filters [installations] for agricultural purposes; water filters [machines] for agricultural purposes; water filtering apparatus for industrial use; water filtering apparatus for domestic use; filters for sanitary water distribution apparatus; electric water purification filters for household purposes; filters for use with apparatus for water supply; power filters for water purification [other than machines]; dust filters; air filters; faucet filters; filter elements for the overflows of water supply tanks; dust cyclone filters; tea filters [machines]; pollen filtering apparatus; filters for ponds; membrane apparatus in the nature of filters for purifying water; electrostatic air filters; air filtering installations; filters for wastewater; filter elements for the air vents of water supply tanks; filters (coffee -), electric; filters for aquariums; air filter installations; air conditioning filters; electric coffee filters; coffee filters, electric; filters for aquaria; filters for dust; hot tub filters; filters for lighting apparatus; filters for air conditioning; filters for fume extractors; filters for stage lighting; filters for illumination appliances; filters for air conditioners; filters for air purifiers; industrial air filter machines; filters for refrigeration systems; filters for cleaning air; filters for gas extractors; faucet filters [plumbing fittings]