Air filtering installations; Air filters for air conditioning units; Air filters for domestic use; Air filters for industrial installations; Air purification units; Air purifiers; Air purifying apparatus; Air purifying apparatus and machines; Air purifying units for industrial use; Air purifying units for household use; Fibrous filtering media for general industrial use in the purification of air and industrial fluids; Filters for drinking water; Filters made of fiber for water filtration; HE...

Air cleaning units; Air purification units; Air purifiers; Air purifiers for household purposes; Air purifying units for household or commercial use; Humidifiers; Humidifiers for household purposes

Air filtering installations; Air filters for air conditioning units; Air filters for domestic use; Air filters for industrial installations; Air purification units; Air purifiers; Air purifying apparatus; Air purifying apparatus and machines; Air purifying units for industrial or residential use; Fibrous filtering media for general industrial use in the purification of air and industrial fluids; Filters for drinking water; Filters made of fiber for water filtration; HEPA filters for household...