The 8.33 cubic foot 2818D is perfect for studios that produce plates, platters, and tiles, while the 2822D and 2827D are excellent choices for production studios that have a wide variety of shapes and sizes to fire. All three models reliably fire to cone 10 efficiently due to their double wall design, and A1 elements. In floor heating elements, and multi-zone design are standard on these models, ensuring even firings from top to bottom. Cone Art's  patented Lid Lifter comes standard on all of these 28” diameter models, making loading and unloading simple.The V6-CF or Genesis touch screen are the controller options, and Safety Lid Switch and Integrated Vent System are available as add-ons.