Belonging to the PolyPro collection for polypropylene vent pipes, the DuraVent 3PPS-F5 adjustable roof flashing is a great addition to your vent system. Used for concentric pipe, it protects your vent pipe from other weather elements to penetrate. Made of aluminum, it measures 3 inches in diameter and can be adjusted from 0/12 to 5/12. It is also engineered to operate on a very high temperature. It is a UL-listed product and is covered by DuraVents limited lifetime warranty. DuraVent has been a technological leader in the venting industry, being committed to provide innovative solutions. Search the one that you need here at PlumbersStock.com.