Kamado Joe Big Joe III 24-Inch Ceramic Kamado Grill - KJ15041021. KJ15041021. Kamado Grills & Smokers. Kamado Joe introduces the third generation of their Big Joe series kamado grills with the Big Joe III. The Big Joe III is 24-inches in diameter and is constructed of a thick-walled, heat-resistant ceramic shell that helps to lock in smoke and moisture while grilling. The included Divide & Conquer cooking system is composed of a 3-tiered grate setup that allows for a larger cooking area up to 864 sq. inches and varying height levels for different temperature ranges giving you the ability to grill whatever you want however you want. This generation of kamados now comes with a SloRoller hyperbolic insert, developed by researchers at Harvard, which provides even distribution of heat and smoke by promoting a rolling and recirculating flow inside the kamado. The hyperbolic insert is removable and can be placed on the heavy-duty galvanized steel cart under the kamado when not desired to be used. The Amp firebox is made of high-fire, heat-resistant ceramic plates that are capable of resisting damage and breakage from high heat and stress. Sitting atop of the firebox is the 304 stainless steel charcoal basket that allows for easy cleanup and conservation of unused charcoal by quickly sifting ash between the basket bars. Once the ash is sifted, the slide out 304 stainless steel ash drawer gives a means of effortless removal. At the top of the Big Joe III is the powder coated cast aluminum Kontrol Tower top vent that provides precision temperature control by controlling the air flow through the kamado and stays on its current setting even while opening and closing the lid. The Air Lift Hinge makes opening and closing the lid a breeze by reducing roughly 96 percent of the weight of the lid. The Big Joe III also comes equipped with powder coated aluminum side shelves, an analog thermometer, a 304 stainless steel latch and firebox ring, a wire mesh fiberglass gasket, grate gr...