Stainless Steel 316 Cast Pipe Fitting, 90 Degree Street Elbow, Class 150, 1" NPT Male X Female 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 ANSI B1.20.1 and ISO 49 for assured quality