The ornamental design for a funnel bowl, as shown and described.
FIG. 1 is a perspective view of a funnel bowl showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is another perspective view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a right side elevational view thereof;
FIG. 8 is a top plan view thereof; and,
FIG. 9 is a bottom plan view thereof.
The broken lines in the drawings depict portions of the funnel bowl that form no part of the claimed design. The oblique shade lines in the drawings depict a surface that is translucent.