QL-100M circulation pump for fresh and salt water aquariums Ideal for aquariums. 360° rotating nozzles create a stronger wave effect. Simulates the natural environment and disperses water flows. Clean fish food and droppings at the bottom of the aquarium faster, reduce water pollution, enhance the exchange of microorganisms in the water and keep the aquarium clean. 360 degree free rotation, very quiet. Rubber base construction, stable motor vibration, and isolate the noise of case collision. The suction cup can avoid scratching the aquarium. Simply move the suction cup out of the aquarium to adjust the position of the pump. Important: Please strictly review the installation and environmental instructions before using the flow pump. The pump is 3000 l/h, 3 W. Package size: 1387cm. Number of shipments: 1 pcs.