316 Stainless Steel, 1/2 in x 1/2 in Fitting Pipe Size, 90° Elbow - 1DGH3|8-8 FE-SS - Grainger
Street Elbow, 1/2" NPT - Smoky Lake Maple Products, LLC
Stainless Steel Tube OD Fittings - 1-1/2" 90° Weld Elbow 316L SS
Amazon.com: TAILONZ PNEUMATIC 304 Stainless Steel Male Elbow - 1/2 Inch Tube OD x 1/2 Inch NPT Thread 90 Push to Connect Tube Fitting PL-1/2-N4 (Pack of 2) : Industrial & Scientific