Stainless Steel 304 Cast Pipe Fitting, 90 Degree Street Elbow, Class 150, 3/8" NPT Male X Female 90-degree street elbow for changing flow direction between pipes Male and 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 Class 150 fittings conform to standards ANSI B1.20.1 and ISO 49 for quality assurance