Nesco American Harvest JS-4000T Jet-Stream Oven Patented Cyclonic cooking method produces microwave-fast results with oven quality Versatile oven cooks 12 ways, including roasting, baking, broiling, grilling, frying Durable heat-resistant plastic exterior; nine temperature and two fan settings Expander rings (sold seperately) triple ovens capacity 13-1/2-inch diameter; 8 inches high; 1-year limited warranty