Elbow Outlet Kits add diverting capacity to our Best Downspout Diverter and include a hollow cap, cap plug, gasket, filter screen and a 90 degree elbow outlet. An Additional Diverter Hose or 4, 8, 12 or 24 foot Additional Overflow Hose can be purchased separately to connect the Elbow Outlet Kit to a rain barrel, pool, etc. Consider using metal gear clamps to secure the hose to the Elbow Outlet.