24" 2XL Big Green EGG Half-Moon Heat Deflector, 12096024" Half Moon Deflector (ConvEGGtor Stone) for 2XL Big Green EGG Use: Most commonly used a heat deflector in the 2XL or XXL EGG. The deflector(s) require the XL Big Green EGG ConvEGGtor basket (sku 119735). The Basket holds the stones under the 2XL cooking grid. Use one half moon to create a dual cooking zone: one side direct, the other indirect. Use two half moons to set up for low n slow BBQ cooks. Best to set the stone in the grill as the grill