Illuminated aircraft passenger cabin gasper, comprising: an air outlet for outputting a flow of air into an aircraft passenger cabin; at least one air guide, which is movably arranged within the air outlet for adjusting the flow of air, characterised in that each air guide comprises: at least one longitudinal air guide element extending in a longitudinal direction and a plurality of transverse air guide elements mounted to the at least one longitudinal air guide element; wherein the plurality of transverse air guide elements are mounted to the at least one longitudinal air guide element in a configuration which allows the plurality of transverse air guide elements to pivot with respect to the at least one longitudinal air guide element; and wherein the plurality of transverse air guide elements are pivotably connected to a common link, extending in the longitudinal direction; wherein the illuminated aircraft passenger cabin gasper further comprises: at least one light source, arranged adjacent to the at least one longitudinal air guide element for coupling light into the longitudinal air guide element; and wherein the at least one longitudinal air guide element has a light output surface for coupling light out of the at least one longitudinal air guide element into the aircraft passenger cabin, so that the at least one longitudinal air guide element acts as a light guide for the light emitted by the at least one light source. an air outlet for outputting a flow of air into an aircraft passenger cabin; at least one air guide, which is movably arranged within the air outlet for adjusting the flow of air, characterised in that each air guide comprises: at least one longitudinal air guide element extending in a longitudinal direction and a plurality of transverse air guide elements mounted to the at least one longitudinal air guide element; wherein the plurality of transverse air guide elements are mounted to the at least one longitudinal air guide element in a configuration which allows the plurality of transverse air guide elements to pivot with respect to the at least one longitudinal air guide element; and wherein the plurality of transverse air guide elements are pivotably connected to a common link, extending in the longitudinal direction; at least one longitudinal air guide element extending in a longitudinal direction and a plurality of transverse air guide elements mounted to the at least one longitudinal air guide element; wherein the plurality of transverse air guide elements are mounted to the at least one longitudinal air guide element in a configuration which allows the plurality of transverse air guide elements to pivot with respect to the at least one longitudinal air guide element; and wherein the plurality of transverse air guide elements are pivotably connected to a common link, extending in the longitudinal direction; wherein the illuminated aircraft passenger cabin gasper further comprises: at least one light source, arranged adjacent to the at least one longitudinal air guide element for coupling light into the longitudinal air guide element; and wherein the at least one longitudinal air guide element has a light output surface for coupling light out of the at least one longitudinal air guide element into the aircraft passenger cabin, so that the at least one longitudinal air guide element acts as a light guide for the light emitted by the at least one light source. at least one light source, arranged adjacent to the at least one longitudinal air guide element for coupling light into the longitudinal air guide element; and wherein the at least one longitudinal air guide element has a light output surface for coupling light out of the at least one longitudinal air guide element into the aircraft passenger cabin, so that the at least one longitudinal air guide element acts as a light guide for the light emitted by the at least one light source.