Waterfall Spillways are perfect for creating the starting point for a beautiful smooth waterfall or stream. It handles flow rates up to 7,500 GPH creating a nice consistent leak-free water flow. Its strong design allows for it to be easily camouflaged by placing soil, stones, logs, etc. directly on top and around the spillway unit. The waterfall spillway comes with 2-inch PVC slip fitting, 1.5-inch barbed hose fitting and a pre-installed bulkhead for an easy installation.