Stainless Steel 304 Cast Pipe Fitting, Tee, Socket Weld, MSS SP-114, 1" Female Tee with three openings to connect and branch three sections of pipe Socket weld connections to allow for a smooth bore and better fluid flow between pipes Made of stainless steel 304 for greater strength than 302 grade steel Low carbon content for greater resistance to corrosion Meets standards MSS SP-114, ANSI B1.20.1, and ASTM A351 for quality assurance