The ornamental design for an interchangeable shower system, as shown and described.
FIG. 1 is a perspective view of an interchangeable shower system showing my
new design, the hollow frame shown broken away to indicate indeterminate
length;
FIG. 2 is a top view of the interchangeable shower system shown in FIG. 1;
FIG. 3 is an end view of the interchangeable shower system shown in FIG. 1
as seen from the perspective of the water source;
FIG. 4 is a side view of the interchangeable shower system shown in FIG. 1;
and,
FIG. 5 is an end view of the interchangeable shower system shown in FIG. 1
as seen from a perspective opposite the water source.