Viega ProPress 3/4 in. Press Copper 90° Elbow 77200 - The Home Depot
Libra Supply 3 inch(Nominal Size) 90 Degree Copper Elbow, C x C, (click in for more size options), 3'', 3-inch Copper Pressure Pipe Fitting Plumbing Supply - Amazon.com
PROCURU Copper 3/4 Inch 90-degree Elbow CxC, Short-Turn Copper Fitting for Plumbing, Professional Grade Lead-Free-Certified (3/4", 1-Pack) - Amazon.com
PROCURU 3/4-Inch Copper 90-degree Elbow C x C Sweat Connection, Short-Turn Copper Fitting for Plumbing, Professional Grade Lead-Free-Certified (3/4", 10-Pack) - Amazon.com
B & K Copper Pipe Fitting, Elbow, 90-Degree, Male Pipe Thread, 3/4-In. | Shagbark Lumber & Farm Supplies
7/8-inch ID 90 Degree Copper Elbow,Short-Turn Copper Pipe Fitting Conector for Plumbing 2pcs - Walmart.com
1/4" - 1/2" Insulated Copper Coil Line - HVAC Premium
1-3/8-inch ID 90 Degree Copper Elbow,Short-Turn Copper Pipe Fitting Conector for Plumbing - Walmart.com