Aquarium Submersible Water Pump,Ultra-Quiet Fountain Water Pump with Suction Cups,Bottom Pump Adjustable Aquarium Pump ULTRA-QUIET DESIGN & LONG LIFE - In order to keep the pump quiet and have a longer life, increased the cost by us high quality rotor and 100% pure copper,make the pump quiet & long life. Powerful Suction Cups - 4 powerful suction cups are suitable to be fixed on the fish t vertically or horizontally. They are not easy to harden and have a long service life. WATER FLOW CONTROL - The water flow can be adjusted by turn the knob. The submersible pump has a 13 mm water outlet, which can be connected with a hose or a nozzle with different water outlet effects. DETACHABLE & CLEANABLE - The mini water pump can be manually disassembled for easy clean of accumulated dirt. The motor is filled with glue and sealed, so it does not leak water and has good insulation. No need any tools to detach it, easy to seperate, easy to clean. Wide Application - This submersible pump attracts your fish or turtles a lot as it keeps circulat and aerat the water. Perfect for small size fish ts, aquariums, fountains, rockeries, water gardens and hydroponic systems, etc. sizeH*L*W)4.6*5.58*3.8cm/gross weight0.18kg. 5.3*6.5*4.3cm/gross weight0.23kg. 5.7*7*4.5cm/gross weight0.28kg. 6.8*8*5.5cm/gross weightpack*1pc.kg pack*pcs