Amazon.com : Anivia Rainwater Collection System, Rain Barrel Diverter Kit for Diverting Water, Fits 2'' x 3'' Standard Gutter Downspout, Recycle Rainwater for Reuse in Lawn and Garden Watering with 40" Hose :
Basic Diverter- 4x5"
Rain barrel used to collect roof washoff via a downspout diverter. | Download Scientific Diagram
RainReserve™ Downspout Diverter Kit at Menards®
Oatey Mystic Rain White Plastic Water Downspout Diverter - Kwik-Set Fasteners
Save The Rain Diverter - LARGE - The Great American Rain Barrel