If you want the birds to come to your bath, you have to get their attention. The Backyard Nature Products Layered Rock Bubbler is sure to do the trick. Crafted of weather-resistant resin, this waterfall looks just like real stones stacked one on top of the other. Place it in at least an inch and a half of water and the hidden pump will create a carefree flow that looks completely natural. Just plug it in and enjoy the company of birds attracted by the moving water. * Waterfall rock with the look of natural stacked stones * Moving water is sure to attract the birds * Resin material never deteriorates in any weather * Features a hidden water pump for a natural look * To be used in baths with at least 1.5-inches of water * Includes a 120 GPH pump * Dimensions: 7.5L x 6.25W x 5H inches