11 Air cleaning units; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air exchangers for cleaning and purifying air; Air filtering installations; Air filters for air conditioning units; Air filters for domestic use; Air purification units; Air purifiers; Air purifiers for household purposes; Air purifying apparatus and machines; HEPA filters for household use
The name(s), portrait(s), and/or signature(s) shown in the mark does not identify a particular living individual. The wording KEIGHFO has no meaning in a foreign language.