Merit Brass Stainless Steel 316 Cast Pipe Fitting, 90 Degree Street Elbow, MSS SP-114, 1/2" National Pipe Taper Thread Male (Pack of 25) 90-degree street elbow for changing flow direction Male and female National Pipe Taper (NPT) threads for connecting two pipes Made from stainless steel 316 for strength Higher corrosion resistance than stainless steel 304 Conforms to standards MSS SP-114, ANSI B1.20.1, and ASTM A351, for quality assurance