CustomFlo Water SystemAssemble parts in multiple ways to create desired flow patterns.For use in large or small aquariums or to upgrade existing systems.No Holes to Drill. CustomFlo Kit:Contains control valves, spray bars, suction cups, adapters, hydro jet, ball socket assembly, and all necessary fittings OVER WALL ASSEMBLY Swivels to allow close tank wall positioning. Suction cups fasten to inside and outside for secure fit.HYDRO JET R440049 Allows a mix of air with water in any aquarium location. Includes suction cup adapter to attach air-line tubing to the tank wall.PIPE/HOSE ADAPTER R440065 For 1/2″ or 3/4″ flexible tubing.SUCTION STARTER Open cap to prime suction line.SLIDER & SUCTION CUP Swivels to allow close tank wall positioning.SPRAY or SOLID PIPE Use above or below water on the return or suction side. Create your own design using elbows, Ts, and couplings with exceptional suction cup adapters.BLACK PIPE & FITTINGS Blends into a tank appearance.CONTROL VALVE Controls water flow. The valve rotates and locks in the desired position. Can be mounted vertically or horizontally for custom plumbing. Allow the Aquarist to manipulate flow into any pattern on the suction or return side. It can be attached to a spray bar, venturi Hydro jet, ball socket assembly, or suction screen.