The ornamental design for a device for creating a dry salt aerosol, as shown and described.
FIG. 1 is a perspective view of a device for creating a dry salt aerosol showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design. The dash lines immediately adjacent to the claimed areas in the views represent the boundaries of the claimed design. None of the broken lines form any part of the claimed design.