360 in² COOKING AREA: 21.5-inch (55 cm) diameter cooking grid allows you to slow smoke, roast, and sear meals with ease LOW MAINTENANCE: The Stainless steel grids heat quickly and need little maintenance, they are hinged to allow easy addition of extra charcoal, refilling water pans, and addition of wood for smoking AMAZING HEAT MANAGEMENT: The conical Vortex Heat Management System improves convection within the grill for better searing and smoking as well as improved fuel efficiency while directing ash and embers into the ash bucket more effectively HIDDEN VENTS: Stainless steel venting is hidden under the Stay Cool handle. This protects your food from gusts and rain while providing precise temperature control PRECISE TEMPERATURE: Precision controlled air inlets have been integrated into the bottom of this barbecue, separating the ash bucket from the operation of the lower venting for even more heat management freedom