The CPVC-CTS 90-degree drop ear elbow features wings with holes to screw or nail to a wall support (joist), as well as a female socket CPVC-CTS x female NPT threaded stainless steel connection. The elbow is used to change the direction of flow while providing a means for connecting CPVC-CTS piping to copper tube lengths. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. Chlorinated Polyvinyl Chloride (CPVC) has proven to be an excellent material for hot corrosive liquids, hot and cold water distribution, and similar applications above the temperature range of PVC. CPVC will not rust, pit, scale or corrode. CPVC fittings are easy to install and are joined by solvent cementing or threading. 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.