16" X 8-1/8" Burner Assembly. H-Shaped, Stainless Steel Burner with Twin Venturi Tubes going down the post. Length of the Venturi Tubes are approximately 7 inch es. Comes with burner, gaskets and screws, and venturi tubes. Fits GR1515, GS1515, and GT1515 models. There were a few GRB40 models with burner tubes that curve to controls on the front panel of the grill. Please order the other burner.