The NIBCO® PVC DWV 90-degree elbow is used in residential and commercial drain, waste, and vent systems. The PVC DWV 90-degree elbow features a hub x hub connection and is used to change the direction of flow. Please refer to NIBCO® technical data sheets and catalogs for engineering and installation information. Polyvinyl chloride (PVC) is the most frequently specified of all thermoplastic materials because of its light weight, durability, and cost effectiveness. PVC DWV is easy to install and is joined by solvent cementing or threading. PVC fittings exhibit high corrosion and chemical resistance and will not rust, scale, pit, or corrode. NIBCO® plastic fittings are backed by a 5-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO® is the preferred brand in the industry.