Reinforced hose, flexible hose, DN19, 3/4 inch union x 3/4 inch male thread, all lengths, solar heating, with stainless steel braiding, German production, hose length: 100 cm : Amazon.de: DIY & Tools
The Plumber's Choice 1/2 in. Copper FTG x C 90-Degree Long Radius Street Elbow Fitting (5-Pack) 0012CLTS-5 - The Home Depot