Kamado Joe continues its innovation with the Kettle Joe a 22 inch kettle grill with unique ceramic cooking features that improve heat retention, fuel efficiency, and smoking ability. The 2-Tier Divide & Conquer system allows you to cook foods at different temperatures. The grill also comes with the revolutionary SlRoller Hyperbolic Smoke Chamber insert, which harnesses the power of cyclonic airflow technology to control heat and smoke at smoking temperatures.