7-13", Masterflash, Flexible Roof Flashing, Ideal For Corrugated Roofs, Slides Over Pipe, For Pitch To 45 Degrees, Use Silicone Sealant Between Base & Surface & Secure With Sheet Metal Screws, Multi Size Pipe Sealing Range, Molds To Metal, Plastic, Etc, Non-Fading EPDM Collar, Rated 212 Degrees Fahrenheit Continuous Heat, Approved For Type B Installations.