This smartpond® waterfall spillway seamlessly adds a beautiful waterfall to your pond. It is made with durable UV- and impact-resistant plastic and has connections on the back for tubing. Also, an aeration feature adds oxygen to the water to create a healthy environment for fish and plants. The spillway is designed to be easily disguised so you can create a natural-looking waterfall for your pond or disappearing water features. Fits 3/4" and 1" tubing. This product is backed by a 90-day limited warranty.