The DuraVent 2PPS-WSM is a wall strap that is used to support single-wall and concentric offsets and pipe used in vertical rise or horizontal runs. For versatility, the legs of this wall strap can be rotated up to 360 degrees. It belongs to the PolyPro collection that is designed for single-wall venting system. Made of metal, it has an inner diameter of 2 inches. It is also a UL-listed product and is covered by DuraVents limited lifetime warranty when being purchased. Trust only DuraVent as it has proven itself a technological leader in creating innovative and high-quality products for your venting system. Get their products only here at PlumbersStock.com.