Onlyfire Heat Deflector Compatible for Large Big Green Egg and Premier Kamado Kooker, 44.5CM (17 1/2"), Ceramic Kamado Grill Smoker ReplacementFeatures Dimension: 44. 5cm perimeter of outer ring, 1. 5 cm thickness Transforms your grill into an outdoor convection oven,diverts heat around the perimeter of the grill Use with the Premier Kamado Kooker, compatible for large Big Green Egg and other Ceramic Kamado grills, Charcoal grills. Made of Cordierite material, withstands temperature over 1000 degrees A must have product for slow cooking, low heat, and smoking, increase the quality of your