Stainless Steel 304 Cast Pipe Fitting, 45 Degree Elbow, MSS SP-114, 1" NPT Female 45-degree elbow for changing flow direction Female National Pipe Taper (NPT) threads for connecting two pipes Made of stainless steel 304 for strength Lower carbon content for greater resistance to corrosion Conforms to standards MSS SP-114, ANSI B1.20.1, and ASTM A351, for quality assurance