The ornamental design for an emergencyeyewashunit, as shown and described.
FIG. 1 is a perspective view showing the front, top and left sides of an emergency eyewash unit embodying the new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a perspective view showing the top and front sides thereof;
FIG. 4 is a perspective view showing the top and right sides thereof, the left side being a mirror image of the right side as shown;
FIG. 5 is a perspective view showing the top and rear sides thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken line showing of an interior portion of the spout, lower pipe and protrusion above the tab in included for purposes of illustrating the environment and forms no part of the claimed design.