FEDOUR 4 Outlets Aquarium Air Pump, Quiet Oxygen Black and Orange\nProduct Details\n--[Powerful Aquarium Air Pump] 4 outlets fish tank air pump, super large air volume for up to 1100L tank, the max pressure is 20kPa, the max air volume is 4*4L/min, can be easily connected to more air stones, can be used for larger fish tanks, aquariums, hydroponics and small ponds.\n--[Adjustable Air Flow] With accurate electronic adjustment of the air volume, just adjust the knob on the air pump aquarium to get suitable air volume, will not cause vibration, more stable and safer.\n--[Low Noise] The upper and lower shells are tightly sealed, and the thickened side shells wrap the gap, effectively reducing noise. The soft silicone foot design also effectively reduces vibration of the aquarium bubbler.\n--[Longer Service Life] The air filter cotton of this silent aquarium oxygen pump can filter impurities in the air and make the air pump more stable. Extra air cotton is provided for replacement, extend.