Camp Chef Grill Box for 3-Burner - Convert your stove into a powerful barbecue grill. Features a reverse-louvered plate to vaporize grease drippings while distributing heat evenly over the cooking surface to create a more flavorful cooking experience. Cast iron grates offers restaurant-quality grilling. System covers two of the three burners on all Camp Chef 3 burner models: Expedition 3x, Tahoe, Big Gas Grill 3, GB, and TB models. Vented Lid Built-in Thermometer Hinged Lid