The DuraVent FSWB13 is a wall bracket that is used to support the tee sections or the vent pipes in order to provide a proper clearance to combustibles. It measures 13 inches in diameter and 8.5 inches in length. It is also made of the AL29-4C stainless steel which has an intense resistance to corrosion, chloride ion pitting and cracking. This is considered as a UL product and is covered by DuraVents limited lifetime warranty.DuraVent provides best in class service and support to their customers through their innovative and high-quality products. Discover all these here at PlumbersStock.com.