The Waterfall Spillway is a cost-effective solution to help you create beautiful waterfalls and streamsThis compact, yet extremely strong Waterfall Spillway is positioned at the starting point of the waterfalls.The pipe from your waterfall pump is connected to the back of the Waterfall Spillway, where the incomingrush of water is diffused by strategically positioned internal barriers.These barriers help calm the waterdown, providing a smooth flowing waterfall through the front of the Waterfall Spillway.* Wide 22-inch spillway handles flows up to 7,500 gallons per hour* Internal barriers calm the rush of water, providing a smooth flowing waterfall* Easy to disguise - compact, yet extremely strong design allows boulders, logs, gravel, soil or othercreative landscape material to be set directly on top of the Waterfall Spillway, helping to camouflage itinto the surrounding landscape.* Includes 2-inch PVC slip fittingWhen to use the Waterfall Spillway:-The Waterfall Spillway is a versatile tool that can be used in a widevariety of water feature applications. You may find that your imagination may be the only limitation withwhat you can create with the Waterfall Spillway.* The Waterfall Spillway is an ideal solution for starting waterfalls on Pondless Waterfall systems,where, due to the absence of fish, more expensive biological filters aren"t necessary.* The Waterfall Spillway is also an excellent choice for designing additional waterfalls and streamsonto new or existing ponds that already have a biological filter.* With the Waterfall Spillway you can build behind hardscape walls to provide a more formalwaterfall design.* You can use multiple Waterfall Spillways to design larger, more creative waterfall configurations.Please click PDF File below for Instructions Manual: