FIG. 1 is a front, top and right side perspective view of a valve box showing a first embodiment of my new design;
FIG. 2 is a rear, bottom and left side perspective view thereof;
FIG. 3 is a front, bottom and right side perspective view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a left side view thereof;
FIG. 9 is a right side view thereof;
FIG. 10 is a perspective view of a state where a cover is opened thereof;
FIG. 11 is a front, top and right side perspective view of a valve box showing a second embodiment of my new design;
FIG. 12 is a rear, bottom and left side perspective view of FIG. 11;
FIG. 13 is a front, bottom and right side perspective view of FIG. 11;
FIG. 14 is a front view of FIG. 11;
FIG. 15 is a rear view of FIG. 11;
FIG. 16 is a top plan view of FIG. 11;
FIG. 17 is a bottom plan view of FIG. 11;
FIG. 18 is a left side view of FIG. 11;
FIG. 19 is a right side view of FIG. 11;
FIG. 20 is a perspective view of a state where a cover is opened of FIG. 11;
FIG. 21 is a front, top and right side perspective view of a valve box showing a third embodiment of my new design;
FIG. 22 is a rear, bottom and left side perspective view of FIG. 21;
FIG. 23 is a front, bottom and right side perspective view of FIG. 21;
FIG. 24 is a front view of FIG. 21;
FIG. 25 is a rear view of FIG. 21;
FIG. 26 is a top plan view of FIG. 21;
FIG. 27 is a bottom plan view of FIG. 21;
FIG. 28 is a left side view of FIG. 21;
FIG. 29 is a right side view of FIG. 21; and,
FIG. 30 is a perspective view of a state where a cover is opened of FIG. 21.
The broken lines depict portions of the valve box that form no part of the claimed design.