air filters for industrial installations; air filters for domestic use; air filters for air conditioning machines; air filters for air conditioners in vehicle passenger compartments; air filters for air conditioning units; air filters for domestic use; air filters for industrial installations; water filters; water filtration machines; water filtration and purification units and replacement parts thereof; water cartridges and filters for electronic appliances; apparatus for filtering drinking water; microfilters, ultrafilters, and nanofilters for pollution control
Environmental Control Apparatus