The ornamental design for a fangrill, as shown and described.
FIG. 1 is a front perspective of a fan grill according to my new design;
FIG. 2 is a right side view of the fan grill of FIG. 1;
FIG. 3 is a bottom view of the fan grill of FIG. 1;
FIG. 4 is a top view of the fan grill of FIG. 1;
FIG. 5 is a front view of the fan grill of FIG. 1;
FIG. 6 is a left side view of the fan grill of FIG. 1; and,
FIG. 7 is a cross-section of the fan grill of FIG. 1 taken at line 7-7 of FIG. 5.
The rear view forms no part of the claimed design. Portions shown in broken lines are for the purpose of illustrating environment only and form no part of the claimed design.