I claim the ornamental design for a sanitizer device, as shown and described.
FIG. 1 is a perspective view of a sanitizer device.
FIG. 2 is a right side view of the sanitizer device shown in FIG. 1.
FIG. 3 is a left side view of the sanitizer device shown in FIG. 1.
FIG. 4 is a front view of the sanitizer device shown in FIG. 1.
FIG. 5 is a rear view of the sanitizer device shown in FIG. 1.
FIG. 6 is a top view of the sanitizer device shown in FIG. 1; and,
FIG. 7 is a bottom view of the sanitizer device shown in FIG. 1.
The broken lines illustrating the environment form no part of the claimed design. The broken lines which define the bounds of the claimed design form no part thereof.