FIG. 1 is a perspective view of an electric fragrance diffuser in accordance with the present invention as shown in the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof, the left side view being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.