MASTER FLASH Pipe Boot,Retrofit,1/2& to 4& Pipes

8 3/16 In.H-W Alum Roof Vent Pipe Boot; Base Shape Square; Base Material Aluminum; Cap/Collar Material EPDM; Material Thickness 0.3 in; For Roof Angle 14 Degrees ; For Number of Pipes 1; For Maximum Pipe Size 4 in; For Minimum Pipe Size 7/8 in; Base Height 8 1/4 in; Base Width 8 1/4 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