The ornamental design for a handle for refrigerator, as shown and described.
FIG. 1 is a front perspective view of the handle for refrigerator showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view showing the state of use that the front panel of the handle for refrigerator has been separated from the claimed design for clarity.
The broken lines depict portions of the handle for refrigerator that form no part of the claimed design.