Marsal SD-448 Commercisl Gas Single Pizza Deck OvenMarsal SD 448 Description Marsal The Marsal SD 448 NG pizza oven is built with the exclusive left to right burner design that allows for even heating across the entire baking deck. A brick lined heat diffusing air baking chamber and a 2 inch thick cooking surface creates an even bake throughout the baking chamber, making sure your pizza is cooked more efficiently and the crust is crispier. The special air chamber below the cooking surface eliminates