The Camp Chef BB-90L Professional Barbeque Grill Box with Hinged Cover (for 3 burner stove) has a vented lid to seal in that delicious barbeque flavor. Cast Iron grill grates to enjoy the rich, flavorful taste of cooking with cast iron. Heat Diffusion Box to distribute heat evenly over entire grilling surface. Flavor Enhancing System with reverse-louvered plate to vaporize grease and dripping while distributing heat evenly for perfect cooking. Can be used with wood chips for smoke cooking. Covers left 2 burners of stove (GB-90D)