These Waterfall Spillways strong build can be installed easily and then easily camouflaged by a rock for a more natural looking waterfall. The Spillway Reservoir area can also be filled with biological filter media, helping in growing beneficial bacteria. Nelson's Waterfall Spillway is perfect for those smaller stream beds and pond-less water features.
Small 9 ½” Width Lip: Approx. 12" square x 5" deep
Large 15 ¼” Width Lip: Approx. 16" square x 5" deep