The ornamental design for a faucet mounted eyewashunit, as shown.
FIG. 1 is a perspective view showing the top, front and left sides of a faucet mounted eyewash unit in accordance with the invention, and showing the unit in a faucet mode;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a bottom perspective view showing the unit in eyewash mode.
The dotted line depiction of a faucet spout in FIGS. 1 and 8 is for illustrative purposes only, and does not form a part of the claimed design.