High Efficiency: Max flow rate: 16 L/min; Pressure: 0.025 MPa; Power: 7 W. Excellent for fishs breath or roots growth in your fish tanks, aquariums or DWC systems. Quiet Operation: With built-in multi-level muffler construction to shield motor noise and 4 low rubber feet to minimize vibration, it reduces noise to less than 45 dB like the hum of a refrigerator.
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