The Strataflo F 200LB 3″ Check Valve with Rubber Poppet 385 is a brass valve designed for industrial use in hydraulics, pneumatics, pumps, and plumbing systems. This unit features a durable brass construction and a rubber poppet for reliable service. With a check valve design, it helps to regulate the flow of liquids or gases in the system, ensuring smooth and efficient operation. The Strataflo brand is known for its quality and reliability, making this valve a dependable choice for various industrial applications.