This 1-1/2 inch Type F polypropylene F-150 camlock coupling is designed for reliable marine black water fluid transfer applications. The male adapter x male NPT threads configuration offers versatile connection options for your marine plumbing sewage, black water and gray water transfer needs. The black polypropylene construction provides durability while maintaining a lightweight profile. This 1.5" cam and groove fitting features precision-engineered threads and a secure locking mechanism for leak-resistant connections. The F150 male adapter end allows for quick coupling, while the male NPT threaded end enables permanent installation into your piping system. Perfect for various industrial, sewage, black water, grey water, and other liquid handling applications, this camlock fitting ensures consistent performance and easy installation.