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Old 09-21-2020, 08:09 AM   #5 (permalink)
hoppycalif
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Default Re: Silencing Air Pump

Air pumps are mechanical devices, so they are not 100% efficient. Much of the energy they consume is converted to heat. I haven't tried this, but I would expect a well sealed box to hold the heat in the box, possibly damaging the pump from overheating. "Quiet" air pumps cost more, but that's how I would approach this.
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