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 corrosion Extra Grilling Space: An extra-large sear zone with intense heat ensures outdoor grill has room for you to cook multiple steaks and burgers at once; Want to grill an entire meal? There's plenty of space Cast-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-ups Grease 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-free WEBER 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 more Warming Rack and Grill Locker: Rack keeps food warm, toasts buns, or even grills smaller food items while the main course finishes grilling below; Weber grill and BBQ also has a grill locker to store large grillware and your large grilling tools Natural 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.