Vevor Charcoal Smoker and Grill 18" Kamado Ceramic with Built-in Thermometer NewVevor's 18 inch charcoal smoker comes with a large diameter cooking grate, thick ceramic material, a built in thermometer, and adjustable top and bottom smoke vents, delivering an authentic charcoal flavor for gatherings and backyard parties. It comes with a 15. 2 inch wide cooking grate to accommodate multiple ingredients at once, and 4 rolling casters (2 lockable) for easy mobility. For charcoal use only, not for direct firewood burning.