The Jebao floating in-pond skimmer is the ideal addition or retrofit to any pond. In addition to removing leaves and dust from the water surface, the skimmer also improves water quality by increasing water circulation and air injection. The Jebao skimmer can be installed in an existing pond without modification or cutting the liner. It automatically adjusts to varying water levels. Effective Pond Surface: up to 290 sq. ft. Water Circulation Rate: 790 GPH Min. Water Depth for Installation: 14 in. Power Cable Length: 30 ft. Power: 120V 0.9A 60hz Dimensions (LxWxH): 13 x 11 x 9 in.