Venturi tube assembly for a barbecue grill

FIG. 1 is a perspective view of a venturi tube assembly for a barbecue grill showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is second side elevational view of the opposite side of FIG. 2;

FIG. 4 is a third side elevational view of the claimed design, rotated approximately 90 degrees from the positions of both FIG. 2 and FIG. 3;

FIG. 5 is a fourth side elevational view of the opposite side of FIG. 4;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof showing the venturi tube assembly for a barbecue grill in a curved position.