Check the listing for details. Rosemount Connection Head 79-325-2 1/2" & 3/4" NPT. Condition: New – Open box. Listed at 26.75 USD. This Rosemount Connection Head 79-325-2 is a high-quality valve that is perfect for use in various industrial settings. Its 1/2" and 3/4" NPT sizes make it a versatile component that can handle a range of applications. The brand, Rosemount, is well-known for its durable and reliable products, making this a top choice for professionals who need a reliable valve for their equipment. The model, Rosemount Connection Head 79-325-2, is designed to provide efficient performance and long-lasting durability. It is suitable for use in a variety of industries, including manufacturing, industrial automation, and more. This valve is easy to install and operate, making it a great choice for those who need a simple yet effective valve for their equipment.