This HYDROLICO T-fitting is designed for plumbing applications, allowing for a seamless connection in your tubing system. It features a 1/2 inch tubing size and a 3/8 inch NPT thread for secure and reliable integration.The HYDROLICO EM-ZPB1/2-03T is a T-shaped fitting designed for 1/2 inch tubing with a 3/8 inch NPT thread connection.