The ornamental design for a firepitgrill, as shown and described.
FIG. 1 is an upper perspective view of a fire pit grill showing my new design.
FIG. 2 is a perspective section view taken along line 2-2 of FIG. 1.
FIG. 3 is an enlarged perspective view of the encircled portion of FIG. 2.
FIG. 4 is a front elevation of the fire pit grill of FIG. 1.
FIG. 5 is a right side elevation view thereof; and,
FIG. 6 is a top plan view thereof.
The evenly spaced broken lines shown in the drawings illustrate portions of the fire pit grill that form no part of the claimed design. The long dash-short dash-short dash broken lines indicate cutoff boundaries for enlarged detailed portion views and form no part of the claim.