Atlantic’s immensely strong FastFalls sets the standard in waterfall spillways, the internal baffle distributes water evenly across the spillway. The ‘inside the liner’ design with its innovative rear liner attachment simplifies installation and eliminates leakage concerns. The SP1600 waterfall spillway includes a pre-installed 1 ½” spinweld fitting which simplifies plumbing connections. The reinforced spillway lip retains rock, gravel, soil or mulch and can even be planted over to blend seamlessly with the surrounding landscape helping make your waterfall look more natural. Complete with a lifetime warranty, your water feature will be built to last.