The dark gray PVC Elbow features female socket connections to change the direction of piping 90 deg. Chemtrol® fittings connect PVC piping lengths together with solvent cementing, threading or flanging to create a highly reliable, leak-free system. Please refer to Chemtrol® technical data sheets, chemical resistance guides and catalogs for engineering and installation information. PVC SCH 80/XH has the highest long-term hydrostatic strength of any other major thermoplastic material used for piping. Chemtrol® PVC fittings are lightweight, easy to install, maintenance-free and will not rust, scale, pit or corrode. Chemtrol® premium line of plastic fittings is backed by a 1 year limited warranty. Because Chemtrol® is a NIBCO® brand the flow-control fittings are unsurpassed in quality, performance and longevity.