Weber Black Genesis Grill includes PureBlu burners with a unique, tapered design, creating a consistent flame and even heat across the grilling surface; Raised flame openings keep food debris falling away, minimizing clogs and corrosionCast-Iron Grates and FLAVORIZER Bars: Natural gas grill's porcelain-enameled, cast-iron grates retain heat for searing; FLAVORIZER Bars catch and vaporize juices, boost grilled flavor, funnel grease away from the burners, and prevent flare-upsGrease Management System: This system with pull out grease tray is located under the gas grill's cookbox; Slides out for quick and easy disposal; Keeps outdoor grilling fun, straightforward, and mess-freeWEBER CRAFTED Outdoor Kitchen Collection: Cooking grates accommodate frame kit and custom-fit grillware (sold separately) including pizza stone, outdoor griddle, dual-sided sear grate, Dutch oven, and moreWarming Rack: Keeps food warm, toasts buns, or even grills smaller food items while the main course finishes grilling below; This black natural gas grill allows you to easily manage all your favorite dishes at onceSide Tables and Large Cooking Surface: Tables keep platters, seasonings, and tools within arm’s reach, while providing extra space for prepping; Outdoor grill and BBQ also features a large cooking surface with enough space to grill an entire mealNatural gas grill is factory built to operate using natural gas only. Natural gas is delivered by your local utility through an underground pipeline system. Confirm that the branch supply line from the house to the grill is properly installed before using the grill prior to purchase. Confirm you would like a natural gas grill and not a liquid propane grill.