Create a calming, leak-free water feature with the Aquascape Waterfall Spillway 22". It's wide 22” spillway allows for flow rates up to 7,500 GPH/28,000 LPH, while strategically positioned internal barriers diffuse the water for a smooth, consistent waterfall or stream. Installing it is simple, as durable design allows boulders, gravel, soil, or other landscape material to be placed directly on top. The Waterfall Spillway 22" is ideal for both Pondless® Waterfalls and a variety of other water feature applications, affording an easy and efficient solution.