The Streamline PRS Copper Male Adapter is a high-quality fitting designed for use in hydraulics, pneumatics, pumps, and plumbing systems. Made of durable copper material, this adapter features a 3" press x MPT connection for seamless integration into various pipe and hose setups. With the manufacturer part number PF 01199, this adapter is a reliable and essential component for ensuring smooth and efficient fluid transfer in industrial and commercial applications.