45 Degree Elbow For Nominal Duct Diameter 9 in Material Stainless Steel Overall Length 16 1/2 in Product Type Elbow Material Thickness 22 ga Weight 7.6 lb Maximum Pressure Rating 42 in wc For Duct Height 9 in Shape Elbow End Type Rolled Edge For Duct Width 9 in Maximum Airflow Not Applicable Inside Diameter 9 in Minimum Pressure Rating 2 in wc Color Silver Outlet Diameter 9 in Overall Height 9 in Centerline Radius 1 1/2 in Angle 45 Degrees Connection Type Clamp Together