In this video, I test the sound of quiet air pumps – the Eheim 400 Air Pump, Aquatop Ap-100 Air Pump, Finnex P9000 Air Pump and the Whisper 100. The Eheim 400 is the most quiet by quite a bit. I recommend this pump if looking for the most quiet air pump.
Eheim Air Pumps: http://amzn.to/1QDjUMx
Aquatop Air Pumps: http://amzn.to/1R2flqW
Tetra Whisper Air Pump: http://amzn.to/1R2fvi1
Finnex P900 Air Pump: http://amzn.to/1QDk9Y0
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