Ultimate Technology, Up to 67% More Powerful Stoves Ultra Matte Grills, stronger and more durable cast iron, with a more attractive matte finish. Perfect Cook, circular design on the oven floor that better distributes heat throughout the cavity. Manual Steam Clean, a function that allows you to place water on the oven floor and bring it to high temperatures that release dirt easily. Door-to-door cooking guide indicating the ideal temperature per type of food.