Frigidaire Professional 30″ Microwave Combination Oven with Total Convection. The Total Convection gives you maximum versatility in the kitchen, powering cooking modes like Air Fry, No Preheat, Slow Cook, Convection Bake, Steam Bake, Convection Roast, Steam Roast and more!. The Air Fry allows you to make healthier and delicious meals for the entire family, right in your oven.