This is Atlantic Water Garden's Big Bahama FastFall - 19" - 2" Spinweld. We have a large selection of Filtration and other pond and water garden supplies from Atlantic Water Gardens.

Manufacturer's Description
Big Bahama Pro FastFalls are incredibly strong one-piece units that feature an internal baffling system, support cones and a reinforced spillway. The öinside the liner' design plus rear liner attachment simplifies installation and eliminates leaking. The top can be covered with rock, gravel, soil or mulch to blend seamlessly with the surrounding landscape.