ball valve Product Name: 2-Piece Ball Valve-1/2"NPT SS304 ball valve. 100% metal Full port valves do not have any restriction at the ball and have a consistent diameter through out. This full port 1/2" ball valve is made from 304 stainless steel and is two piece design so it can be completely disassembled for cleaning. If you have any questions please do not hesitate to contact us. Thank you for coming wish you a happy life！