From Backyard Nature Products. The simple beauty of granite, along with a quiet water flow makes this waterfall fit with many modern landscapes. Includes 120 GPH pump. Gray colored and made of fiberglass. The waterfall rock is ingeniously designed with its own hidden water pump. The result in any bath with at least an inch and a half of water is a carefree flow of water so all you have to think about is the best place to sit and watch the show of birds that come and go! 6"x6"x4"