This unit provides an automatic feed to the bowl. Pour your concentrates into feeder trough, adjust water flow and watch the results. This new automatic feeder adapts easily to the Spiral Gold Wheel. Simply connect it to the port provided on the lower left side of the bowl. Kit includes:multi adjustable arm, an adjustable spray bar and manifold with swing away feature for access to wheel for cleaning. Feeder tray with multiple adjustment knobs, battery terminals, manifold feeder including all hoses and clamps. If your unit does not include the new 1100GPH pump, you must purchase an additional pump for the kit.