EASY WATERFALL — easily create a waterfall or a disappearing water feature and enjoy the soothing sounds of moving water. Can be added to an existing pond for the simple addition of a waterfall. BEAUTIFUL WATERFALL DISPLAY — built-in water baffle and 8 in. wide spillway’s long bill ensures a gentle and smooth flow. Connect to your desired pump between 800 GPH – 2500 GPH. DURABLE CONSTRUCTION — symmetrical design and true flat surfaces make it easy to level and hide under landscape slate or stone. UV resistant, high-impact plastic and sturdy construction allow this spillway to withstand substantial weight. BLENDS IN SEAMLESSLY — black color and discreet design blend into your waterfall’s landscape COMPACT FOR QUICK INSTALLATION — spillway’s overall dimensions are 14.5 in. x 10.31 in. x 6 in., making it easy to use for quick installation. Fits 3/4 or 1 in. ID tubing (tubing not included)