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