60 Degree Elbow For Nominal Duct Diameter 4 in Inlet Diameter 4 in Material Steel Overall Length 7 1/4 in Product Type Elbow Material Thickness 24 ga Weight 1 lb Maximum Pressure Rating 42 in wc For Duct Height 4 in Shape Elbow End Type Rolled Edge For Duct Width 4 in Maximum Airflow Not Applicable Inside Diameter 4 in Minimum Pressure Rating 2 in wc Color Silver Outlet Diameter 4 in Overall Height 4 in Centerline Radius 1 in Angle 60 Degrees Connection Type Clamp Together