NuWave Oven Pro Plus with PEI dome and 3" Extender Ring with Oven Carrying Case Barbecue, roast, grill, broil, bake and steam your favorite foods while sealing in juices for flavor while fats just drip away Cooks food up to 50% faster than conventional ovens while using up to 85% less energy Comes with an extender ring kit which includes:&nbsp;3&quot; extender ring and&nbsp;2&quot; stainless steel cooking rack Extender ring allows for the cooking of a turkey up to 16 lb. Measures 15.5&quot;&nbsp;diameter x 13.5&quot; H