This Extension fits the Savio Waterfall well for creating pondless or disappearing waterfalls and streams. Use the extension for deeper waterfall basins. A deeper basin allows more water to be stored meaning water would need to be added less frequently. Waterall Well Extension Height: 18.75 inchesManufacturer's Part # K6001
This illustration shows one way the Waterfall Well Extension can be used.See several other examples of how Waterfall Wells can be used.