Flashing, Base Shape Round, Base Material Aluminum, Cap/Collar Material EPDM, Material Thickness 0.2 in, For Roof Angle 20 Degrees , For Number of Pipes 1, For Maximum Pipe Size 13 in, For Minimum Pipe Size 7 in, Base Height 6 in, Base Width 16 1/2 in, Base Diameter 16 1/2 in, Seal Material EPDM, Top Opening Open, Application Chimney Vents, Product Type Flashing, UV Protected Yes, For Roof Type Pitched, Overall Height 6 in