This product is a 3/4" 150 threaded (NPT) hex union made of 304 stainless steel. It is designed as a female-to-female fitting with both ends having a 3/4" diameter. The hex union fitting type allows for easy installation and is suitable for use in hydraulics, pneumatics, pumps, and plumbing systems. The stainless steel material ensures durability and resistance to corrosion, making it a reliable choice for various industrial applications.