Everbilt 1/2 in. Copper Pressure 45-Degree Fitting x Cup Street Elbow C6062HD12 - The Home Depot
Amazon.com: AC PERFORMANCE 1" OD (25mm), 45 Degree Bend Elbow 1 Inch 6061 Aluminum Pipe Tube Intercooler Pipe High Class Brushed Treatment Tight Radius Air Intake Tube : Industrial & Scientific
1" FIP Galvanized Pipe 45-Degree Elbow at Menards®
1 inch Malleable Iron Pipe Fittings 45 degree Elbow - Galvanized - FaucetDepot.com