Adjustable water flow: The adjustment knob makes it easy to adjust the flow. Mini Aquarium Pump 8W，max Flow rate is 600L/H, H-Max (lifting height) up to 110-120cm. Reliable and durable motor produces low noise, giving you an environment silent. The submersible water pump 4 strong suction cups at the bottom are ideal to be mounted on vertical and horizontal. The aquarium brewing pump the small size not only makes it easy to mask or disguise, but also to disassemble and clean. Aquarium pump silent Perfect for small to medium sized aquariums, tabletop fountains, water gardens and hydroponic systems, etc. .