Access the drain pipe system to clear out clogs with the National Diversified Sales 3P11 3" White Hub x FPT PVC S&D Female Cleanout Adapter. Hub connects to 3 in. Sewer and Drain (S&D) pipe; 3 in. Female Pipe Thread (FPT) connection fits 3 in. Male Pipe Thread (MPT) Cleanout Plug (31P8), sold separately. The Cleanout Adapter is made of polyvinyl chloride (PVC) and makes a Hub X FPT 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.