Zinc rainwater collector 76/80/87/100/120 mm with hose and barrel connection for the downpipe, titanium zinc rain collector, 85% water yield thanks to double-walled construction, water collector for rain butts : Amazon.de: DIY
Gutter siphon, pack of 2, large : Amazon.de: DIY & Tools
Copper Rainwater Collector 76 mm / 80 mm / 87 mm / 100 mm / 120 mm with Hose and Barrel Connection for the Downpipe - Rain Collector with 85% Water Yield