Uniclife Aquarium 2 Outlets Air Pump 4 Watt 4-LPM Adjustable Flow Rate Oxygen Pump for 20-100 Gallon Fish Tank Hydroponic Systems
Brand: Uniclife

The Uniclife air pump is designed to oxygenate your aquarium efficiently and quietly with its low power consumption and advanced air compressing system. You are purchasing a high quality air pump which is suitable for use with any Freshwater and Marine aquariums.
This model has an adjustable control knob which means you can adjust the air flow rate.
ABOUT SUPER QUIET. LET US FACE THE TRUTH.
WE have tested Uniclife air pump to work on lowest flow rate and it sounds 25 dB which sounds like Rusting Leaves/Ticking Watch.
Then we test it to work on highest flow rate and it sounds 46dB, which sounds like Quiet Whisper at 2 ft., Park.
Sitting on a folded cloth to make it quieter.
Specifications:
Recommended Tank Size: 60 to 400 liters
Voltage: 110~120V 50/60Hz.
Exhaust: 4.0 L/min. 2.0L/min X 2
Pressure: 0.016Mpa.
Power: 4.0W
Dimensions: 5.1"X2.8"X2.5 "
Length of the power supply cable: 6 feet / 180cm
Weight: 525g

Uniclife Adjustable aquarium air pump is suitable for both Freshwater and Marine Aquariums.
4 Watt, Exhaust: 2.0L/min X 2, Pressure: 0.016Mpa.
Adjustable flow rate with 2 outlets, fit for fish tanks from 20-gallon to 100-gallon.
Ultra silent, Minimum 25dB (sound like rusting leaves, ticking watch) in lowest flow rate.
Comes with 6 ft. long power supply cable. Buy with confidence, if Not, Please contact us for a FULL REFUND.