FIG. 1 is an isometric view of a front, top, and left side of an ornamental design for an actuator nozzle for a diffusion device;

FIG. 2 is a right side elevational view of the actuator nozzle of FIG. 1;

FIG. 3 is a left side elevational view of the actuator nozzle of FIG. 1;

FIG. 4 is a top plan view of the actuator nozzle of FIG. 1;

FIG. 5 is a bottom plan view of the actuator nozzle of FIG. 1;

FIG. 6 is a front elevational view of the actuator nozzle of FIG. 1;

FIG. 7 is a rear elevational view of the actuator nozzle of FIG. 1;

FIG. 8 is an isometric view of a front, top, and left side of another embodiment of the actuator nozzle for a diffusion device of FIG. 1;

FIG. 9 is a right side elevational view of the actuator nozzle of FIG. 8, wherein the left side elevational view is a mirror image of the right side elevational view;

FIG. 10 is a front elevational view of the actuator nozzle of FIG. 8;

FIG. 11 is an isometric view of a front, top, and left side of another ornamental design of an actuator nozzle for a diffusion device;

FIG. 12 is a right side elevational view of the actuator nozzle of FIG. 11;

FIG. 13 is a left side elevational view of the actuator nozzle of FIG. 11;

FIG. 14 is a top plan view of the actuator nozzle of FIG. 11;

FIG. 15 is a bottom plan view of the actuator nozzle of FIG. 11;

FIG. 16 is a front elevational view of the actuator nozzle of FIG. 11;

FIG. 17 is a rear elevational view of the actuator nozzle of FIG. 11;

FIG. 18 is an isometric view of a front, top, and left side of a different embodiment of the actuator nozzle for a diffusion device of FIG. 11;

FIG. 19 is a right side elevational view of the actuator nozzle of FIG. 18;

FIG. 20 is a left side elevational view of the actuator nozzle of FIG. 18;

FIG. 21 is a top plan view of the actuator nozzle of FIG. 18;

FIG. 22 is a bottom plan view of the actuator nozzle of FIG. 18;

FIG. 23 is a front elevational view of the actuator nozzle of FIG. 18; and,

FIG. 24 is a rear elevational view of the actuator nozzle of FIG. 18.

The broken line showing of the subject matter shown above is for the purpose of depicting environmental structure only and forms no part of the claimed design.