EPDM Black Pipe Flashings Square Base #8, Pipe Range 6-3/4" to 13-1/2"" (171mm to 343mm). Simple solution to flashing a penetration through a metal roof. Comes labeled with its corresponding diameter. Is marked with dimensions to allow for easy sizing to fit each individual application. Available in 10 various colors of EPDM or orange silicone for extreme temperatures. Resistance to ultraviolet rays, cracking & weathering.