We claim the ornamental design for the connector for a flotation device, as shown and described.
FIG. 1 is a perspective view of a connector for a flotation device of the present application configured to couple with a second connector of another flotation device;
FIG. 2 is a side view of the connector of FIG. 1;
FIG. 3 is another side view of the connector of FIG. 1; and
FIG. 4 is a front view of the connector of FIG. 1;
FIG. 5 is a rear view of the connector of FIG. 1;
FIG. 6 is a top view of the connector of FIG. 1; and,
FIG. 7 is a bottom view of the connector of FIG. 1.
The broken lines of FIG. 1 show the second connector which forms no part of the claimed design.