Black PP Schedule 80, 45 Degree Elbow, Threaded, 1/2 in. to 4 in. Size
Street Elbow 90 Degree,1 Inch Male x Female NPT Thread SUS304: Amazon.com: Tools & Home Improvement
G 1/2'' x R 1/2'' F/M Stainless steel 90 deg Elbow Fitting 150 Bar | Tameson.com
Supply Giant CNOM0034 FBA_BMNL0012 1/2"" 90 Degree Malleable Iron Elbow Fitting for High Pressures with Female Thread Connects and Black Finish" - Amazon.com