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