660 GPH Floating Pond Pool Surface Skimmer Koi Fish Water Garden Jebao SK-30 Dimensions: 11-1/2" x 10-1/2" x 9-1/4" high 30 foot 3-prong plug cord Pump Flow Rate: 660gph 45 watts. Skimmer basket size: 5"(dia) x 3"(deep) Skimmer works for up to 400 sq. ft. pond surface. Pond water depth minimum required: 11"