MASTER FLASH Pipe Boot,1/4& to 2-3/4& Pipes,Bk

4.5 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 30 Degrees ; 42 Degrees ; For Number of Pipes 1; For Maximum Pipe Size 2 3/4 in; For Minimum Pipe Size 1/4 in; Base Height 4 1/2 in; Base Width 4 1/2 in; Base Diameter Not Applicable; Seal Material Silicone; Top Opening Closed; Application Pipe Vents; Product Type Standard Master Flash; UV Protected Yes; For Roof Type Pitched