The ornamental design for an irrigationdevice, as shown and described.
FIG. 1 is a top perspective view of an irrigation device showing my new design, portions of the irrigation device being broken away to indicate indeterminate length.
FIG. 2 is a bottom perspective view thereof, portions of the irrigation device being broken away to indicate indeterminate length.
FIG. 3 is a front elevational view thereof, portions of the irrigation device being broken away to indicate indeterminate length.
FIG. 4 is a rear elevational view thereof, portions of the irrigation device being broken away to indicate indeterminate length.
FIG. 5 is a left side elevational view thereof, portions of the irrigation device being broken away to indicate indeterminate length.
FIG. 6 is a right side elevational view thereof, portions of the irrigation device being broken away to indicate indeterminate length.
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The irrigation device is shown with two symbolic breaks. Any portion between these break lines forms no part of the claimed design. The broken lines of the interior of the irrigation device forms no part of the claimed design.