Catalina Aquarium Adjustable Pump CA 20 for Tabletop Fountains and Small Bowls 40 GPH SMALLl bowl aquarium For Table top fountains Output: 40 Gallon Per Hour at ground 0 Low Watt useage Power: 2.5 Watt Dimensions: 2 inch x 1 3/4 inch x 1 1/4 inch