PreciseAir Convection System - Delivers even air and heat circulation for superior baking and roasting results. Convection Bake (Multi-Rack) - Provides ideal convection baking for multiple racks of food ensuring superb results. Convection Roast - Provides even cooking and consistent results roasting meats faster than a traditional oven. Self-Clean Oven - Conveniently cleans the oven cavity without the need for scrubbing. inc/9inc/6inc Tri-Ring Element - Accommodates various-sized pots or pans for the ultimate in cooking versatility. Heavy-Duty Die-Cast Knobs - Add durability and brushed chrome for enhanced style and performance.