Connector Sleeve, For Nominal Duct Diameter 12 in, Fabric Material Neoprene, Fold Type Not Applicable, Inlet Diameter 12 in, Product Type Connector Sleeve, Application Commercial, Residential, Overall Length 3 1/2 in, Weight 1.69 lb, Material Steel, Maximum Pressure Rating 30 in wc, Material Thickness 24 ga, Overall Height 12 in, Outlet Diameter 12 in, Maximum Airflow Not Applicable, Overall Width 12 in, Shape Straight, Seal Material Polyethylene, Duct Compatibility Round Spiral, Color Silver