VicTec 80 GPH Submersible Aquarium Water Pump Fish Tank Fountain Pump Aquarium Decorative Accessories Adjustable Flow Rate: Aquarium air pump is designed with a adjusting knob, allowing to adjust the water flow rate, the maximal flow rate can be up to 80GPH(300L/H) Detachable & Cleanable: The pump fish tank is no need any tools to detach it, easy to seperate, easy to clean Perfect Motor & Low-noise: The relible and duarable motor does not produce much noise, giving you quiet environment. The water pump aquarium can elevate column of water up to 2.6ft( 0.8m) Multifunction & Two Nozzles: This submersible water pump is designed for small to medium size aquarium, tabletop fountains, water gardens and hydroponic systems. Equipped with two nozzles, one is 8.5mm diameters, the other is 13mm, providing different water flow effects Compact & Mini Size: The mini size air pump makes the pump easy to hide or disguise in the water. Suction cups is great for mounting onto the glass surface. Dimensions:1.87in x 1.68in x 1.24in (47mm x 43mm x 30mm)