The ASC FIG 06-850 TRIMFIT Test & Drain Valve is a high-quality industrial plumbing fixture designed for testing and draining systems. With a 1" T x T size and a 1/2" orifice, this valve features three positions: closed, test, and drain (open). The valve is equipped with integral sight glasses for easy monitoring and has a full port design for maximum flow. Made by ASC in the United States, this valve is a reliable and durable option for various industrial plumbing applications.