The Vulcan 22SFS48 Backguard Flue Riser features an overlapping single-deck design that enhances airflow efficiency. Standing at 22 inches high and measuring 48 inches wide, this high-shelf unit is engineered for optimal performance in commercial kitchens. Its robust construction ensures durability, while the flow-thru design facilitates effective heat and smoke management, making it an essential addition for any professional cooking environment.