The ornamental design for a barbecuegrillcleaner with barrier flap, as shown and described.
FIG. 1 is a perspective view of a barbecue grill cleaner with barrier flap;
FIG. 2 is a side view of the barbecue grill cleaner with barrier flap of FIG. 1;
FIG. 3 is a top view of the barbecue grill cleaner with barrier flap of FIG. 1;
FIG. 4 is an end view of the barbecue grill cleaner with barrier flap of FIG. 1; and,
FIG. 5 is an enlarged view of a head of the barbecue grill cleaner with barrier flap of FIG. 1.
The dash-dot-dash broken lines represent the bounds of the claim and form no part thereof. The dashed broken lines showing the recess and grooves on the head, the bristles, and a handle illustrate portions of the barbecue grill cleaner with barrier flap that form no part of the claimed design.