The Bull BBQ (16520) replacement heat shield is constructed of durable 304-grade stainless steel, eliminate grease build-up under the burners, minimize grilling flare-up and fit all Bull BBQ gas grills (any model). To install, simply remove current worn-out heat shield by pulling it directly out of the grill and replace with new. Installation takes less than 1 minute. 24-Inch Bull Grills require two(2) burners, the 30-Inch Bull Grills require three(3) and the 38-inch Bull Grills requires four(4) burners. Sold individually.