The Advance Tabco VR-1 Dishwasher Vent Duct Riser is designed for efficient ventilation in commercial kitchens. It accommodates a 4" x 16" vent duct and stands at a height of 60 inches. The riser features an adjustable ceiling trim collar for a customizable fit. Constructed from durable 18 gauge 300 series stainless steel, it ensures longevity and resistance to corrosion, making it ideal for high-demand environments.