Noisy air pumps: How to turn down the volume - Help Guides

Due to their vibratory design the chances are that at some point you've had to deal with a noisy air pump. This is exceptionally common

HITOP Dual Outlet Aquarium Electric Air Pump, Whisper Adjustable Fish Tank Aerator, Quiet Oxygen Pump with Accessories for 20 to 100 Gallon (2 outlets) : Pet Supplies

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POWERFUL: Tetra Whisper Air Pump provides dependable airflow to your aquarium. QUIET: Patented dome shape, suspended motor and sound-dampening

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Isolating HVAC vibration, noise and sound transmission