Duct Coupler, For Nominal Duct Diameter 9 in, Fabric Material Neoprene, Fold Type Not Applicable, Inlet Diameter 9 in, Product Type Gasketed Coupler, Application Commercial, Residential, Overall Length 42 in, Weight 1.27 lb, Material Steel, Maximum Pressure Rating 30 in wc, Material Thickness 24 ga, Overall Height 9 in, Outlet Diameter 9 in, Maximum Airflow Not Applicable, Overall Width 9 in, Shape Straight, Seal Material Polyethylene, Duct Compatibility Round Spiral, Color Silver