Includes Slo-Roller Hyperbolic Smoke Chamber and new cooking rack for use in 18 inch ceramic grills Remove your current Divide & Conquer rack and replace with Slo-Roller & included cooking rack for unparalleled slow smoking Engineered to slow cook at temperature ranges of 150-500 F Compatible with Kamado Joe Classic Joe series, Large Big Green Egg, and other round 18-inch charcoal grills