The ornamental design for a nasalirrigationdevice, as shown and described.
FIG. 1 is a perspective view of a nasal irrigation device showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a front perspective view thereof;
FIG. 5 is a rear perspective view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 bottom plan view thereof.
The broken line showing portion of nasal irrigation device is included for illustrating environmental structure and forms no part of the claimed design.