Pipe Boot,Retrofit,9-1/4 to 16-1/4
3 in, For Roof Angle 14 Degrees , For Number of Pipes 1, For Maximum Pipe Size 17 in, For Minimum Pipe Size 9 1/2 in, Base Height 21 1/2 in, Base Width 21 1/2 in, Base Diameter Not Applicable, Seal Material Silicone, Top Opening Open, Application Pipe Vents, Product Type Standard Retrofit Master Flash, UV Protected Yes, For Roof Type Pitched, Standards UPC.Roof Vent Pipe Boot, Base Shape Square, Base Material Aluminum, Cap/Collar Material EPDM, Material Thickness 0.