Duct Coupler, For Nominal Duct Diameter 12 in, Fabric Material Not Applicable, Fold Type Not Applicable, Inlet Diameter 12 3/4 in, Product Type Coupling, Application Commercial, Overall Length 5 7/8 in, Weight 2.5 lb, Material PVC, Maximum Pressure Rating 10 in wc, Overall Height 5 7/8 in, Outlet Diameter 12 3/4 in, Overall Width 13 1/4 in, Shape Straight, Seal Material Not Applicable, Duct Compatibility Round, Color Dark Gray, Maximum Temperature Rating 140 Degrees F