National Diversified Sales 4P02 4" White Hub x Hub PVC S&D 90 Degree Elbow makes a 90° turn in 4 in. sewer and drain (S&D) pipe runs. The 90° Ell also connects to select drainage products compatible with 4 in. S&D connections such as channel drain outlets, Flo-Well® Dry Well System, drainage grates, and pop-up emitters. This elbow is used to make a change in direction in the pipeline and connect two pipes of the same type and diameter size. The 90° Elbow for 4 in. S&D pipe is made of polyvinyl chloride (PVC) and makes a Hub X Hub solvent-weld connection. Meets applicable ASTM standards. For use in non-pressurized underground sewer and drainage applications; maximum working pressure of 5 psi. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.