This is an Everflow Supplies reducing coupling with female threaded ends, which are 2 and 3/4 in size. The fitting is made of malleable iron, with a black coating, and is suitable for applications with pressures up to 150 lbs. It is produced in a ISO 9001:2000 manufacturing environment and was pressure tested before leaving the factory. UL/ULC and FM approved the designed for meeting the ASTM A-197 and ANSI/ASME B16.3 and B16.14 standards.