Cast Iron Half Grid (XL Big Green Egg)Cast Iron Half Grid for XL EGGspander System Perfect your searing on the EGGspander system by utilizing the superior heat conductivity of the Cast Iron Searing Grid. The two sided and heavy duty cast iron grid effectively retains heat to enable a professional quality sear and even cooking on your meat. By perfectly rendering down fat, and enhancing the Maillard reaction, you will produce that beautiful browning and flavor to your meat, time after