Dome XL (Gen 2) DoorLock in heat. Infuse with smoke. A twin walled, insulated door with cutouts for meat probesperfect for baking, hot smoking, or slow roasting meats. Throw rosemary on the ember bed to create an herb infused chamber for fire cooked flavor. Built from ceramic coated 304 steel and double walled for extra heat retention, the Dome XL (Gen 2) Door makes it easy to control the oven temperature, amount of smoke or steam in the oven, and easily adjust with the