FEDOUR 4 Outlets Aquarium Air Pump, Ultra Quiet Oxygen Powerful Pump for Fish and Turtle Tanks up to 1100L

[Powerful Aquarium Air Pump] With a Max. air volume of 16L/min(4 outlets, 4L/min each) and a Max. pressure of 20kPa, this fish tank air pump is suitable for tanks up to 1100L, can easily connect to more air stones—ideal for large fish tanks, aquariums, small ponds and hydroponics [Adjustable Air Flow] With accurate electronic adjustment of the air volume, simply turn the knob on the air pump aquarium to get suitable air volume—no vibration, just safe and stable operation. The extra air regulating valves enable the independent adjustment of the air volume from each of the four outlets, meeting more personalized usage requirements [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 [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 filter cotton is provided for replacement, extending the service life of the air pump [Package Including] This fish air pump comes with all needed accessories, including: Air tube x 4( 1.5M); Air stone x 4; Check valve x 4; Suction cup x 4; Regulating valve x 4; Air filter cotton x 2, T connector x 2. Original quality, professional manufacturer